20667161102 has 16 divisors (see below), whose sum is σ = 36152469600. Its totient is φ = 8857354464.

The previous prime is 20667161093. The next prime is 20667161131. The reversal of 20667161102 is 20116176602.

It is a congruent number.

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, 15062843 + ... + 15064214.

It is an arithmetic number, because the mean of its divisors is an integer number (2259529350).

Almost surely, 2^20667161102 is an apocalyptic number.

20667161102 is a deficient number, since it is larger than the sum of its proper divisors (15485308498).

20667161102 is an equidigital number, since it uses as much as digits as its factorization.

20667161102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30127080 (or 30127066 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 20667161102 in words is "twenty billion, six hundred sixty-seven million, one hundred sixty-one thousand, one hundred two".