320057132 has 12 divisors (see below), whose sum is σ = 565057416. Its totient is φ = 158612160.

The previous prime is 320057131. The next prime is 320057149. The reversal of 320057132 is 231750023.

It is a junction number, because it is equal to n+sod(n) for n = 320057098 and 320057107.

It is not an unprimeable number, because it can be changed into a prime (320057131) 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, 353594 + ... + 354497.

It is an arithmetic number, because the mean of its divisors is an integer number (47088118).

Almost surely, 2^320057132 is an apocalyptic number.

It is an amenable number.

320057132 is a deficient number, since it is larger than the sum of its proper divisors (245000284).

320057132 is a wasteful number, since it uses less digits than its factorization.

320057132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708208 (or 708206 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 320057132 is about 17890.1406366747. The cubic root of 320057132 is about 684.0310822258.

The spelling of 320057132 in words is "three hundred twenty million, fifty-seven thousand, one hundred thirty-two".