20450662102 has 16 divisors (see below), whose sum is σ = 33103540512. Its totient is φ = 9419379840.

The previous prime is 20450662093. The next prime is 20450662123. The reversal of 20450662102 is 20126605402.

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, 794899 + ... + 820222.

It is an arithmetic number, because the mean of its divisors is an integer number (2068971282).

Almost surely, 2^20450662102 is an apocalyptic number.

20450662102 is a deficient number, since it is larger than the sum of its proper divisors (12652878410).

20450662102 is a wasteful number, since it uses less digits than its factorization.

20450662102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615623.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 20450662102 in words is "twenty billion, four hundred fifty million, six hundred sixty-two thousand, one hundred two".