20598168810 has 64 divisors (see below), whose sum is σ = 49713979392. Its totient is φ = 5461974336.

The previous prime is 20598168797. The next prime is 20598168823. The reversal of 20598168810 is 1886189502.

It is an interprime number because it is at equal distance from previous prime (20598168797) and next prime (20598168823).

It is a super-2 number, since 2×20598168810² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20598168810.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11151307 + ... + 11153153.

It is an arithmetic number, because the mean of its divisors is an integer number (776780928).

Almost surely, 2^20598168810 is an apocalyptic number.

20598168810 is an abundant number, since it is smaller than the sum of its proper divisors (29115810582).

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

20598168810 is a wasteful number, since it uses less digits than its factorization.

20598168810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its (nonzero) digits is 276480, while the sum is 48.

The spelling of 20598168810 in words is "twenty billion, five hundred ninety-eight million, one hundred sixty-eight thousand, eight hundred ten".