320920402173376 has 28 divisors (see below), whose sum is σ = 636827116439232. Its totient is φ = 160460026377728.

The previous prime is 320920402173367. The next prime is 320920402173379. The reversal of 320920402173376 is 673371204029023.

It is a super-2 number, since 2×320920402173376² (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 3 ways as a sum of consecutive naturals, for example, 72641841 + ... + 76932943.

Almost surely, 2^{320920402173376} is an apocalyptic number.

It is an amenable number.

320920402173376 is a deficient number, since it is larger than the sum of its proper divisors (315906714265856).

320920402173376 is a wasteful number, since it uses less digits than its factorization.

320920402173376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459668 (or 5459658 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 49.

The spelling of 320920402173376 in words is "three hundred twenty trillion, nine hundred twenty billion, four hundred two million, one hundred seventy-three thousand, three hundred seventy-six".