20902001110 has 16 divisors (see below), whose sum is σ = 37640416176. Its totient is φ = 8357063968.

The previous prime is 20902001083. The next prime is 20902001119. The reversal of 20902001110 is 1110020902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20902001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443509 + ... + 488368.

It is an arithmetic number, because the mean of its divisors is an integer number (2352526011).

Almost surely, 2^20902001110 is an apocalyptic number.

20902001110 is a deficient number, since it is larger than the sum of its proper divisors (16738415066).

20902001110 is a wasteful number, since it uses less digits than its factorization.

20902001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934127.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 20902001110 in words is "twenty billion, nine hundred two million, one thousand, one hundred ten".