2520320564 has 24 divisors (see below), whose sum is σ = 4584363168. Its totient is φ = 1211323680.

The previous prime is 2520320549. The next prime is 2520320573. The reversal of 2520320564 is 4650230252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90302 + ... + 114869.

It is an arithmetic number, because the mean of its divisors is an integer number (191015132).

Almost surely, 2^2520320564 is an apocalyptic number.

It is an amenable number.

2520320564 is a deficient number, since it is larger than the sum of its proper divisors (2064042604).

2520320564 is a wasteful number, since it uses less digits than its factorization.

2520320564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205295 (or 205293 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2520320564 is about 50202.7943843767. The cubic root of 2520320564 is about 1360.8761230453.

The spelling of 2520320564 in words is "two billion, five hundred twenty million, three hundred twenty thousand, five hundred sixty-four".