320477433320 has 64 divisors (see below), whose sum is σ = 812001507840. Its totient is φ = 112777977600.

The previous prime is 320477433317. The next prime is 320477433343. The reversal of 320477433320 is 23334774023.

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, 11734067 + ... + 11761346.

It is an arithmetic number, because the mean of its divisors is an integer number (12687523560).

Almost surely, 2^320477433320 is an apocalyptic number.

It is an amenable number.

320477433320 is an abundant number, since it is smaller than the sum of its proper divisors (491524074520).

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

320477433320 is a wasteful number, since it uses less digits than its factorization.

320477433320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23495466 (or 23495462 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 38.

The spelling of 320477433320 in words is "three hundred twenty billion, four hundred seventy-seven million, four hundred thirty-three thousand, three hundred twenty".