220021022212120 has 64 divisors (see below), whose sum is σ = 496539184920480. Its totient is φ = 87743403703296.

The previous prime is 220021022212109. The next prime is 220021022212153. The reversal of 220021022212120 is 21212220120022.

It is a congruent number.

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, 28771092 + ... + 35606428.

Almost surely, 2^{220021022212120} is an apocalyptic number.

220021022212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220021022212120 is an abundant number, since it is smaller than the sum of its proper divisors (276518162708360).

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

220021022212120 is a wasteful number, since it uses less digits than its factorization.

220021022212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837772 (or 6837768 counting only the distinct ones).

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

Adding to 220021022212120 its reverse (21212220120022), we get a palindrome (241233242332142).

The spelling of 220021022212120 in words is "two hundred twenty trillion, twenty-one billion, twenty-two million, two hundred twelve thousand, one hundred twenty".