320920402173375 has 32 divisors (see below), whose sum is σ = 534014271498240. Its totient is φ = 171156675300000.

The previous prime is 320920402173367. The next prime is 320920402173379. The reversal of 320920402173375 is 573371204029023.

It is not a de Polignac number, because 320920402173375 - 2³ = 320920402173367 is a prime.

It is a super-2 number, since 2×320920402173375² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320920402173379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75126250 + ... + 79283000.

It is an arithmetic number, because the mean of its divisors is an integer number (16687945984320).

Almost surely, 2^{320920402173375} is an apocalyptic number.

320920402173375 is a deficient number, since it is larger than the sum of its proper divisors (213093869324865).

320920402173375 is a wasteful number, since it uses less digits than its factorization.

320920402173375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362648 (or 4362638 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 320920402173375 in words is "three hundred twenty trillion, nine hundred twenty billion, four hundred two million, one hundred seventy-three thousand, three hundred seventy-five".