202220020002120 has 128 divisors (see below), whose sum is σ = 653440456627200. Its totient is φ = 49899089366784.

The previous prime is 202220020002109. The next prime is 202220020002193. The reversal of 202220020002120 is 21200020022202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202220020002120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031215812 + ... + 1031411891.

It is an arithmetic number, because the mean of its divisors is an integer number (5105003567400).

Almost surely, 2^{202220020002120} is an apocalyptic number.

202220020002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220020002120 is an abundant number, since it is smaller than the sum of its proper divisors (451220436625080).

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

202220020002120 is a wasteful number, since it uses less digits than its factorization.

202220020002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062627779 (or 2062627775 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 202220020002120 its reverse (21200020022202), we get a palindrome (223420040024322).

The spelling of 202220020002120 in words is "two hundred two trillion, two hundred twenty billion, twenty million, two thousand, one hundred twenty".