320032012131020 has 24 divisors (see below), whose sum is σ = 768076829114784. Its totient is φ = 109725261302016.

The previous prime is 320032012130951. The next prime is 320032012131047. The reversal of 320032012131020 is 20131210230023.

It is a super-3 number, since 3×320032012131020³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 320032012130983 and 320032012131001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142971471757 + ... + 1142971472036.

It is an arithmetic number, because the mean of its divisors is an integer number (32003201213116).

Almost surely, 2^{320032012131020} is an apocalyptic number.

It is an amenable number.

320032012131020 is an abundant number, since it is smaller than the sum of its proper divisors (448044816983764).

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

320032012131020 is a wasteful number, since it uses less digits than its factorization.

320032012131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285942943809 (or 2285942943807 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 320032012131020 its reverse (20131210230023), we get a palindrome (340163222361043).

The spelling of 320032012131020 in words is "three hundred twenty trillion, thirty-two billion, twelve million, one hundred thirty-one thousand, twenty".