202013220128 has 24 divisors (see below), whose sum is σ = 410542997760. Its totient is φ = 97748331840.

The previous prime is 202013220127. The next prime is 202013220169. The reversal of 202013220128 is 821022310202.

It is a super-2 number, since 2×202013220128² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202013220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101820188 + ... + 101822171.

It is an arithmetic number, because the mean of its divisors is an integer number (17105958240).

Almost surely, 2^202013220128 is an apocalyptic number.

It is an amenable number.

202013220128 is an abundant number, since it is smaller than the sum of its proper divisors (208529777632).

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

202013220128 is a wasteful number, since it uses less digits than its factorization.

202013220128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203642400 (or 203642392 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 202013220128 in words is "two hundred two billion, thirteen million, two hundred twenty thousand, one hundred twenty-eight".