20597948588 has 24 divisors (see below), whose sum is σ = 41277825792. Its totient is φ = 8810136144.

The previous prime is 20597948573. The next prime is 20597948597. The reversal of 20597948588 is 88584979502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717170 + ... + 745337.

It is an arithmetic number, because the mean of its divisors is an integer number (1719909408).

Almost surely, 2^20597948588 is an apocalyptic number.

20597948588 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20597948588 is an abundant number, since it is smaller than the sum of its proper divisors (20679877204).

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

20597948588 is a wasteful number, since it uses less digits than its factorization.

20597948588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463021 (or 1463019 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 65.

The spelling of 20597948588 in words is "twenty billion, five hundred ninety-seven million, nine hundred forty-eight thousand, five hundred eighty-eight".