320250564 has 48 divisors (see below), whose sum is σ = 831243840. Its totient is φ = 106626240.

The previous prime is 320250563. The next prime is 320250599. The reversal of 320250564 is 465052023.

320250564 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

320250564 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (320250563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185007 + ... + 186729.

It is an arithmetic number, because the mean of its divisors is an integer number (17317580).

Almost surely, 2^320250564 is an apocalyptic number.

It is an amenable number.

320250564 is an abundant number, since it is smaller than the sum of its proper divisors (510993276).

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

320250564 is a wasteful number, since it uses less digits than its factorization.

320250564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 320250564 is about 17895.5459262913. The cubic root of 320250564 is about 684.1688564341.

The spelling of 320250564 in words is "three hundred twenty million, two hundred fifty thousand, five hundred sixty-four".