320402112 has 56 divisors (see below), whose sum is σ = 875092992. Its totient is φ = 103353600.

The previous prime is 320402083. The next prime is 320402153. The reversal of 320402112 is 211204023.

It is a junction number, because it is equal to n+sod(n) for n = 320402091 and 320402100.

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, 20964 + ... + 32867.

Almost surely, 2^320402112 is an apocalyptic number.

320402112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320402112 is an abundant number, since it is smaller than the sum of its proper divisors (554690880).

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

320402112 is a wasteful number, since it uses less digits than its factorization.

320402112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53877 (or 53867 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 320402112 is about 17899.7796634484. The cubic root of 320402112 is about 684.2767595187.

Adding to 320402112 its reverse (211204023), we get a palindrome (531606135).

The spelling of 320402112 in words is "three hundred twenty million, four hundred two thousand, one hundred twelve".