220112310120 has 128 divisors (see below), whose sum is σ = 699332106240. Its totient is φ = 55306563840.

The previous prime is 220112310107. The next prime is 220112310137. The reversal of 220112310120 is 21013211022.

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 220112310120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410236 + ... + 780075.

It is an arithmetic number, because the mean of its divisors is an integer number (5463532080).

Almost surely, 2^220112310120 is an apocalyptic number.

220112310120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112310120 is an abundant number, since it is smaller than the sum of its proper divisors (479219796120).

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

220112310120 is a wasteful number, since it uses less digits than its factorization.

220112310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190415 (or 1190411 counting only the distinct ones).

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

Adding to 220112310120 its reverse (21013211022), we get a palindrome (241125521142).

The spelling of 220112310120 in words is "two hundred twenty billion, one hundred twelve million, three hundred ten thousand, one hundred twenty".