202112020020 has 48 divisors (see below), whose sum is σ = 576591281280. Its totient is φ = 52879622016.

The previous prime is 202112019953. The next prime is 202112020051. The reversal of 202112020020 is 20020211202.

202112020020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 202112019978 and 202112020005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31775440 + ... + 31781799.

It is an arithmetic number, because the mean of its divisors is an integer number (12012318360).

Almost surely, 2^202112020020 is an apocalyptic number.

202112020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202112020020 is an abundant number, since it is smaller than the sum of its proper divisors (374479261260).

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

202112020020 is a wasteful number, since it uses less digits than its factorization.

202112020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63557304 (or 63557302 counting only the distinct ones).

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

Adding to 202112020020 its reverse (20020211202), we get a palindrome (222132231222).

The spelling of 202112020020 in words is "two hundred two billion, one hundred twelve million, twenty thousand, twenty".