202220112020 has 24 divisors (see below), whose sum is σ = 438361018368. Its totient is φ = 78278752800.

The previous prime is 202220112007. The next prime is 202220112037. The reversal of 202220112020 is 20211022202.

It is a junction number, because it is equal to n+sod(n) for n = 202220111986 and 202220112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163080116 + ... + 163081355.

It is an arithmetic number, because the mean of its divisors is an integer number (18265042432).

Almost surely, 2^202220112020 is an apocalyptic number.

202220112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220112020 is an abundant number, since it is smaller than the sum of its proper divisors (236140906348).

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

202220112020 is a wasteful number, since it uses less digits than its factorization.

202220112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326161511 (or 326161509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202220112020 its reverse (20211022202), we get a palindrome (222431134222).

The spelling of 202220112020 in words is "two hundred two billion, two hundred twenty million, one hundred twelve thousand, twenty".