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202020012212200 = 235271355811988891
BaseRepresentation
bin101101111011110001110011…
…000100001011111111101000
3222111021220221222222121202221
4231323301303010023333220
5202434343441111242300
61553354413513403424
760360315141651550
oct5573616304137750
9874256858877687
10202020012212200
115940822a274386
121a7a89b9409574
1388955368b5620
1437c5b6c258160
15185500ddeb31a
hexb7bc7310bfe8

202020012212200 has 192 divisors, whose sum is σ = 578191907099520. Its totient is φ = 63924515712000.

The previous prime is 202020012212191. The next prime is 202020012212219. The reversal of 202020012212200 is 2212210020202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100579755 + ... + 102568645.

It is an arithmetic number, because the mean of its divisors is an integer number (3011416182810).

Almost surely, 2202020012212200 is an apocalyptic number.

202020012212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202020012212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289095953549760).

202020012212200 is an abundant number, since it is smaller than the sum of its proper divisors (376171894887320).

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

202020012212200 is a wasteful number, since it uses less digits than its factorization.

202020012212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994508 (or 1994499 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202020012212200 its reverse (2212210020202), we get a palindrome (204232222232402).

The spelling of 202020012212200 in words is "two hundred two trillion, twenty billion, twelve million, two hundred twelve thousand, two hundred".