202021202222120 has 64 divisors (see below), whose sum is σ = 457572839011200. Its totient is φ = 80271638821120.

The previous prime is 202021202222083. The next prime is 202021202222149. The reversal of 202021202222120 is 21222202120202.

It is a super-2 number, since 2×202021202222120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202021202222092 and 202021202222101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8254604 + ... + 21729723.

It is an arithmetic number, because the mean of its divisors is an integer number (7149575609550).

Almost surely, 2^{202021202222120} is an apocalyptic number.

202021202222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202021202222120 is an abundant number, since it is smaller than the sum of its proper divisors (255551636789080).

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

202021202222120 is a wasteful number, since it uses less digits than its factorization.

202021202222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29985458 (or 29985454 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202021202222120 its reverse (21222202120202), we get a palindrome (223243404342322).

The spelling of 202021202222120 in words is "two hundred two trillion, twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred twenty".