102020252592 has 20 divisors (see below), whose sum is σ = 263552319320. Its totient is φ = 34006750848.

The previous prime is 102020252591. The next prime is 102020252599. The reversal of 102020252592 is 295252020201.

It is not an unprimeable number, because it can be changed into a prime (102020252591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062710917 + ... + 1062711012.

It is an arithmetic number, because the mean of its divisors is an integer number (13177615966).

Almost surely, 2^102020252592 is an apocalyptic number.

102020252592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020252592 is an abundant number, since it is smaller than the sum of its proper divisors (161532066728).

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

102020252592 is a wasteful number, since it uses less digits than its factorization.

102020252592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125421940 (or 2125421934 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 102020252592 its reverse (295252020201), we get a palindrome (397272272793).

The spelling of 102020252592 in words is "one hundred two billion, twenty million, two hundred fifty-two thousand, five hundred ninety-two".