320532260232 has 32 divisors (see below), whose sum is σ = 801484094880. Its totient is φ = 106823627520.

The previous prime is 320532260219. The next prime is 320532260233. The reversal of 320532260232 is 232062235023.

It is a self number, because there is not a number n which added to its sum of digits gives 320532260232.

It is not an unprimeable number, because it can be changed into a prime (320532260233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150494 + ... + 1401677.

It is an arithmetic number, because the mean of its divisors is an integer number (25046377965).

Almost surely, 2^320532260232 is an apocalyptic number.

It is an amenable number.

320532260232 is an abundant number, since it is smaller than the sum of its proper divisors (480951834648).

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

320532260232 is a wasteful number, since it uses less digits than its factorization.

320532260232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557413 (or 2557409 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 320532260232 its reverse (232062235023), we get a palindrome (552594495255).

The spelling of 320532260232 in words is "three hundred twenty billion, five hundred thirty-two million, two hundred sixty thousand, two hundred thirty-two".