320132330 has 32 divisors (see below), whose sum is σ = 693221760. Its totient is φ = 103982400.

The previous prime is 320132303. The next prime is 320132353. The reversal of 320132330 is 33231023.

It is a super-2 number, since 2×320132330² = 204969417422457800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320132299 and 320132308.

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, 119021 + ... + 121680.

It is an arithmetic number, because the mean of its divisors is an integer number (21663180).

Almost surely, 2^320132330 is an apocalyptic number.

320132330 is an abundant number, since it is smaller than the sum of its proper divisors (373089430).

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

320132330 is a wasteful number, since it uses less digits than its factorization.

320132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240734.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 320132330 is about 17892.2421736349. The cubic root of 320132330 is about 684.0846494760.

Adding to 320132330 its reverse (33231023), we get a palindrome (353363353).

It can be divided in two parts, 32013 and 2330, that added together give a palindrome (34343).

The spelling of 320132330 in words is "three hundred twenty million, one hundred thirty-two thousand, three hundred thirty".