2520510222564 has 72 divisors (see below), whose sum is σ = 6447960038520. Its totient is φ = 830103386112.

The previous prime is 2520510222541. The next prime is 2520510222613. The reversal of 2520510222564 is 4652220150252.

2520510222564 is a `hidden beast` number, since 2 + 5 + 20 + 51 + 0 + 2 + 22 + 564 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1230195976164 + 1290314246400 = 1109142^2 + 1135920^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475354 + ... + 2294990.

It is an arithmetic number, because the mean of its divisors is an integer number (89555000535).

Almost surely, 2^{2520510222564} is an apocalyptic number.

It is an amenable number.

2520510222564 is an abundant number, since it is smaller than the sum of its proper divisors (3927449815956).

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

2520510222564 is a wasteful number, since it uses less digits than its factorization.

2520510222564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820109 (or 1820104 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 2520510222564 in words is "two trillion, five hundred twenty billion, five hundred ten million, two hundred twenty-two thousand, five hundred sixty-four".