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202222020021020 = 22531476939671243
BaseRepresentation
bin101101111110101101111011…
…101010110100101100011100
3222112000020101021022120011222
4231332231323222310230130
5203001201144111133040
61554031302530032512
760411026113002566
oct5576557352645434
9875006337276158
10202222020021020
115948597142600a
121a81bb95418738
1388ab5bab8424c
1437d1852c68336
15185a3d3776bb5
hexb7eb7bab4b1c

202222020021020 has 48 divisors (see below), whose sum is σ = 447692071292928. Its totient is φ = 76613970511680.

The previous prime is 202222020021019. The next prime is 202222020021061. The reversal of 202222020021020 is 20120020222202.

It is a self number, because there is not a number n which added to its sum of digits gives 202222020021020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3469806482 + ... + 3469864761.

It is an arithmetic number, because the mean of its divisors is an integer number (9326918151936).

Almost surely, 2202222020021020 is an apocalyptic number.

202222020021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222020021020 is an abundant number, since it is smaller than the sum of its proper divisors (245470051271908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202222020021020 is a wasteful number, since it uses less digits than its factorization.

202222020021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939671330 (or 6939671328 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 202222020021020 its reverse (20120020222202), we get a palindrome (222342040243222).

The spelling of 202222020021020 in words is "two hundred two trillion, two hundred twenty-two billion, twenty million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 31 47 62 94 124 155 188 235 310 470 620 940 1457 2914 5828 7285 14570 29140 6939671243 13879342486 27758684972 34698356215 69396712430 138793424860 215129808533 326164548421 430259617066 652329096842 860519234132 1075649042665 1304658193684 1630822742105 2151298085330 3261645484210 4302596170660 6523290968420 10111101001051 20222202002102 40444404004204 50555505005255 101111010010510 202222020021020