20157098528 has 24 divisors (see below), whose sum is σ = 45353472192. Its totient is φ = 8638756416.

The previous prime is 20157098453. The next prime is 20157098551. The reversal of 20157098528 is 82589075102.

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, 44993300 + ... + 44993747.

It is an arithmetic number, because the mean of its divisors is an integer number (1889728008).

Almost surely, 2^20157098528 is an apocalyptic number.

20157098528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20157098528 is an abundant number, since it is smaller than the sum of its proper divisors (25196373664).

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

20157098528 is an equidigital number, since it uses as much as digits as its factorization.

20157098528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89987064 (or 89987056 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 20157098528 in words is "twenty billion, one hundred fifty-seven million, ninety-eight thousand, five hundred twenty-eight".