320332220232 has 64 divisors (see below), whose sum is σ = 810589503360. Its totient is φ = 105484032000.

The previous prime is 320332220189. The next prime is 320332220339. The reversal of 320332220232 is 232022233023.

It is a super-2 number, since 2×320332220232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411768 + ... + 900120.

It is an arithmetic number, because the mean of its divisors is an integer number (12665460990).

Almost surely, 2^320332220232 is an apocalyptic number.

It is an amenable number.

320332220232 is an abundant number, since it is smaller than the sum of its proper divisors (490257283128).

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

320332220232 is a wasteful number, since it uses less digits than its factorization.

320332220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488694 (or 488690 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 320332220232 its reverse (232022233023), we get a palindrome (552354453255).

The spelling of 320332220232 in words is "three hundred twenty billion, three hundred thirty-two million, two hundred twenty thousand, two hundred thirty-two".