220031112120 has 64 divisors (see below), whose sum is σ = 660125773440. Its totient is φ = 58672080000.

The previous prime is 220031112113. The next prime is 220031112151. The reversal of 220031112120 is 21211130022.

220031112120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220031112120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3696595 + ... + 3755645.

It is an arithmetic number, because the mean of its divisors is an integer number (10314465210).

Almost surely, 2^220031112120 is an apocalyptic number.

220031112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220031112120 is an abundant number, since it is smaller than the sum of its proper divisors (440094661320).

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

220031112120 is a wasteful number, since it uses less digits than its factorization.

220031112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90116 (or 90112 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220031112120 its reverse (21211130022), we get a palindrome (241242242142).

The spelling of 220031112120 in words is "two hundred twenty billion, thirty-one million, one hundred twelve thousand, one hundred twenty".