210202020120 has 64 divisors (see below), whose sum is σ = 636849721440. Its totient is φ = 55498880000.

The previous prime is 210202020113. The next prime is 210202020131. The reversal of 210202020120 is 21020202012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210202020096 and 210202020105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8659581 + ... + 8683820.

Almost surely, 2^210202020120 is an apocalyptic number.

210202020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202020120 is an abundant number, since it is smaller than the sum of its proper divisors (426647701320).

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

210202020120 is a wasteful number, since it uses less digits than its factorization.

210202020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17343516 (or 17343512 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210202020120 its reverse (21020202012), we get a palindrome (231222222132).

The spelling of 210202020120 in words is "two hundred ten billion, two hundred two million, twenty thousand, one hundred twenty".