320325032 has 8 divisors (see below), whose sum is σ = 600609450. Its totient is φ = 160162512.

The previous prime is 320325029. The next prime is 320325037. The reversal of 320325032 is 230523023.

It can be written as a sum of positive squares in only one way, i.e., 284731876 + 35593156 = 16874^2 + 5966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×320325032² = 205216252251602048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320324995 and 320325013.

It is not an unprimeable number, because it can be changed into a prime (320325037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020307 + ... + 20020322.

Almost surely, 2^320325032 is an apocalyptic number.

It is an amenable number.

320325032 is a deficient number, since it is larger than the sum of its proper divisors (280284418).

320325032 is a wasteful number, since it uses less digits than its factorization.

320325032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40040635 (or 40040631 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 320325032 is about 17897.6264348097. The cubic root of 320325032 is about 684.2218823495.

Adding to 320325032 its reverse (230523023), we get a palindrome (550848055).

The spelling of 320325032 in words is "three hundred twenty million, three hundred twenty-five thousand, thirty-two".