20090911102 has 48 divisors (see below), whose sum is σ = 33386910480. Its totient is φ = 9050518400.

The previous prime is 20090911097. The next prime is 20090911147. The reversal of 20090911102 is 20111909002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1249977 + ... + 1265947.

It is an arithmetic number, because the mean of its divisors is an integer number (695560635).

Almost surely, 2^20090911102 is an apocalyptic number.

20090911102 is a deficient number, since it is larger than the sum of its proper divisors (13295999378).

20090911102 is a wasteful number, since it uses less digits than its factorization.

20090911102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16089 (or 16066 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 20090911102 in words is "twenty billion, ninety million, nine hundred eleven thousand, one hundred two".