What is the factorial of 2020? (2020!) 2020 Factorial

What is the factorial of 2020?

Here we will show you how to calculate the factorial of 2020 (aka 2020 factorial) and give you the approximate scientific notation answer and the exact answer.

Before we begin, note that the factorial of 2020 can be written as 2020 followed by an exclamation mark like this: 2020!

Factorial of 2020 means that you multiply 2020 by every number below it. Therefore, you calculate the factorial of 2020 by multiplying 2020 by 2019, then by 2018, and so on all the way down to 1. In other words, we calculate 2020 × 2019 × 2018 × ... × 1 to get 2020 factorial.

The answer to 2020 factorial (2020!) contains 5802 digits and we have listed the exact entire answer at the bottom of this page. However, below is the approximate scientific notation answer to 2020 factorial:

3.8609695182 × 10⁵⁸⁰¹

The answer above is also sometimes written as 3.8609695182e+5801. Regardless, it means that the approximate answer to 2020! is 38609695182 followed by 5791 more digits.

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Like we promised, below is the exact answer to 2020 factorial (2020!) with all 5802 digits:

38609695182672487237752775530925482957565283376413699670456832000196274437541899624501634307014049592282120061462961367605606403795138076869363109529396980608328341939112276859313537153366978950564474670863624528607166776171749650560579412623601635434878441024033547205575762953826644878142399742004475312859268149093115565250039398194578603034966453371159434556898930218632070502633159101070140180632116267601416826773044312722974735693058274100796678745509958115838652463837275163931326776612967955573537533145541264932383184869056191135886366529169125318488475809316921609755880424677941840585462233548051218227676626494512591427595610342808428455693382730200269721624989505249644054117252054125787341963403416110382419931629699306366101012224747780675168431515932549671824230132641004730463478845740762948361215338478203398325754280649811744810016985024248562213555183437824303559064235283905509618304750126270972766702380937207193018072381141603663675092124211107725322529149092454563232792505714971609979522973398962227832367740578429987656595958209067679072774030704907722550860556649096840353638573523891274172675315365416380019258817073910154400197850789017819366622985068380102309346960589001219134577090543600003255682732214541613564085605754885428733353116006259543621029915483302931070744536278264953733558607363644140935206969132405803388162752113030334392132544654309923642376801762233095282202430985622294441167046767002929243458340173623843930399170094572758023829975098255917054883313910055391068959728712194226359416415108268021339522166358781601260672001505264583262262147133310268542239244755933021543824423764700883017010951527772837674015812746950798230699688755645182836869436373200399219809387974612576236898803293412885614399794134286705978056183999063243717790706469438243207944709660599694387761286668582334708609502818022217071071592898638875736006674607157353972810264257304997699657984744817418716402646683794182329670822019658701038682727799448508767737262009395791408925816997221487256380743957384620177119045748776743638350792086326500115898553033268362961434246784380493722120680014972665842043549437002206490793007382584235614082028686450442915080151185451436589038818430920737563368942352504682928607042738230563748591259697337536741976034573995021798012730250928748185459427826542765898141369067764710807521884872361563118322899826386730374524183659669441914586921724602470507741237859233308013686643758800563190074199095532751237638082883401089886511210912220011767992952757887195210163859079525370440105852987030284272280176897632028916727190259922562576762230512128020349206003765987168773574455395644689187285639763818430875282727583314146524137723708728060724767222791192147651009946642710094746429693992530794790332697267062061526672502437399258983006780229506826370656354337226620065723107572540622581391608744703725751690187982029447300746969912025879739488106924076962544413744639402536369866603920563085770922902968241196462722248134231383540076000024829828201468478919121678216100131329938922109661827348872397873488391017647353291239810368904780118492616388207888951624294822792620722279839859941519019838337995802322492170000850478558188649183161708976742333715858760565769537092403591523246503427895948122927725527864192270381814027923608167449514941229083689454428211517968361611884419158304667247906000099749667188033287842895395061277835803208344802351623325882893736483689852886333089855372866243071447611231083655654881902677289691666667249102263293323008204459478766065647936960950862235289954394138399569255054756796967979468999026114042930007394335702225365933541034558777683560008523931498227409203214261724160028554760615359928684847686316116354178308097484339106482763542293741629580332065215169369176990893973392728312733853583299756229523529163489234920574511875694978088918712397128433076441576847697303399880291625811446557590776374930520563506098627849197551447446467225445880685723441027286949420935155590498766205284355559364107733473500024318587162616643548999556774353183940252531902877725259067374007065714681760678116639996041113286168200265551444709804383638187560100978812521364638912144868476447866680036796049308495325524180596109072746467954661521898215759462068854677198290847136478975587888770704437401094448669299764613700352301414447833920099876886376070323720349832623722030757803569243888784474116978435678618640198529997148987982992319400408385696948004149739728946526286321464797859394081542979420158481576196937707759775444625078558911881968830947253598884781073126485290252001879199484725517761913319910339778469630461712834447829244232512110859163331802906166786478480851552738756025202410079617643010790301513144177946727234489561910550229551926501850711842823875696837036772928788596290398378925041381118071674112722395738726411171054114951090519295662442820708339189403088102925843708745635485425638858386114143223543769969520389435218929189560976459258312724758409333009047930517206374532641549987743536664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