102020252584 has 16 divisors (see below), whose sum is σ = 195357931200. Its totient is φ = 49924804272.

The previous prime is 102020252549. The next prime is 102020252591. The reversal of 102020252584 is 485252020201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135664854 + ... + 135665605.

It is an arithmetic number, because the mean of its divisors is an integer number (12209870700).

Almost surely, 2^102020252584 is an apocalyptic number.

It is an amenable number.

102020252584 is a deficient number, since it is larger than the sum of its proper divisors (93337678616).

102020252584 is a wasteful number, since it uses less digits than its factorization.

102020252584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271330512 (or 271330508 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 102020252584 its reverse (485252020201), we get a palindrome (587272272785).

The spelling of 102020252584 in words is "one hundred two billion, twenty million, two hundred fifty-two thousand, five hundred eighty-four".