232620320 has 24 divisors (see below), whose sum is σ = 549565884. Its totient is φ = 93048064.

The previous prime is 232620317. The next prime is 232620337. The reversal of 232620320 is 23026232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189007504 + 43612816 = 13748^2 + 6604^2 .

It is a super-2 number, since 2×232620320² = 108224426553804800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 232620292 and 232620301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726779 + ... + 727098.

Almost surely, 2^232620320 is an apocalyptic number.

232620320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232620320 is an abundant number, since it is smaller than the sum of its proper divisors (316945564).

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

232620320 is a wasteful number, since it uses less digits than its factorization.

232620320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453892 (or 1453884 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 232620320 is about 15251.8956198894. The cubic root of 232620320 is about 615.0105270633.

Adding to 232620320 its reverse (23026232), we get a palindrome (255646552).

The spelling of 232620320 in words is "two hundred thirty-two million, six hundred twenty thousand, three hundred twenty".