320111132322120 has 64 divisors (see below), whose sum is σ = 974666731273920. Its totient is φ = 84088894458624.

The previous prime is 320111132322109. The next prime is 320111132322161. The reversal of 320111132322120 is 21223231111023.

It is a super-2 number, since 2×320111132322120² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 19907400687 + ... + 19907416766.

It is an arithmetic number, because the mean of its divisors is an integer number (15229167676155).

Almost surely, 2^{320111132322120} is an apocalyptic number.

320111132322120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320111132322120 is an abundant number, since it is smaller than the sum of its proper divisors (654555598951800).

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

320111132322120 is a wasteful number, since it uses less digits than its factorization.

320111132322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39814817534 (or 39814817530 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 320111132322120 its reverse (21223231111023), we get a palindrome (341334363433143).

The spelling of 320111132322120 in words is "three hundred twenty trillion, one hundred eleven billion, one hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty".