220031220000120 has 64 divisors (see below), whose sum is σ = 682855510356000. Its totient is φ = 56651716412928.

The previous prime is 220031220000107. The next prime is 220031220000139. The reversal of 220031220000120 is 21000022130022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220031220000120.

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, 31613677555 + ... + 31613684514.

Almost surely, 2^{220031220000120} is an apocalyptic number.

220031220000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220031220000120 is an abundant number, since it is smaller than the sum of its proper divisors (462824290355880).

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

220031220000120 is a wasteful number, since it uses less digits than its factorization.

220031220000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63227362112 (or 63227362108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220031220000120 its reverse (21000022130022), we get a palindrome (241031242130142).

The spelling of 220031220000120 in words is "two hundred twenty trillion, thirty-one billion, two hundred twenty million, one hundred twenty", and thus it is an aban number.