20310825102 has 32 divisors (see below), whose sum is σ = 41184093600. Its totient is φ = 6676927488.

The previous prime is 20310825097. The next prime is 20310825133. The reversal of 20310825102 is 20152801302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158838 + ... + 256614.

It is an arithmetic number, because the mean of its divisors is an integer number (1287002925).

Almost surely, 2^20310825102 is an apocalyptic number.

20310825102 is an abundant number, since it is smaller than the sum of its proper divisors (20873268498).

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

20310825102 is a wasteful number, since it uses less digits than its factorization.

20310825102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98260.

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 20310825102 in words is "twenty billion, three hundred ten million, eight hundred twenty-five thousand, one hundred two".