320564060 has 24 divisors (see below), whose sum is σ = 673755936. Its totient is φ = 128116800.

The previous prime is 320564009. The next prime is 320564063. The reversal of 320564060 is 60465023.

320564060 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×320564060² = 205522633127367200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320564063) 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, 19910 + ... + 32210.

It is an arithmetic number, because the mean of its divisors is an integer number (28073164).

Almost surely, 2^320564060 is an apocalyptic number.

It is an amenable number.

320564060 is an abundant number, since it is smaller than the sum of its proper divisors (353191876).

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

320564060 is a wasteful number, since it uses less digits than its factorization.

320564060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13613 (or 13611 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 320564060 is about 17904.3028347937. The cubic root of 320564060 is about 684.3920298647.

The spelling of 320564060 in words is "three hundred twenty million, five hundred sixty-four thousand, sixty".