202202112122020 has 24 divisors (see below), whose sum is σ = 424625611213944. Its totient is φ = 80880620894976.

The previous prime is 202202112121967. The next prime is 202202112122041. The reversal of 202202112122020 is 20221211202202.

It can be written as a sum of positive squares in 4 ways, for example, as 549104712256 + 201653007409764 = 741016^2 + 14200458^2 .

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, 6495489 + ... + 21132808.

It is an arithmetic number, because the mean of its divisors is an integer number (17692733800581).

Almost surely, 2^{202202112122020} is an apocalyptic number.

202202112122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202202112122020 is an abundant number, since it is smaller than the sum of its proper divisors (222423499091924).

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

202202112122020 is a wasteful number, since it uses less digits than its factorization.

202202112122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27994239 (or 27994237 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202202112122020 its reverse (20221211202202), we get a palindrome (222423323324222).

The spelling of 202202112122020 in words is "two hundred two trillion, two hundred two billion, one hundred twelve million, one hundred twenty-two thousand, twenty".