20968500102 has 32 divisors (see below), whose sum is σ = 45779212800. Its totient is φ = 6349957920.

The previous prime is 20968500097. The next prime is 20968500109. The reversal of 20968500102 is 20100586902.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20968500109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318 + ... + 204785.

It is an arithmetic number, because the mean of its divisors is an integer number (1430600400).

Almost surely, 2^20968500102 is an apocalyptic number.

20968500102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20968500102 is an abundant number, since it is smaller than the sum of its proper divisors (24810712698).

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

20968500102 is a wasteful number, since it uses less digits than its factorization.

20968500102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206668.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 20968500102 in words is "twenty billion, nine hundred sixty-eight million, five hundred thousand, one hundred two".