20102113102 has 16 divisors (see below), whose sum is σ = 30263284080. Its totient is φ = 10014383808.

The previous prime is 20102113099. The next prime is 20102113147. The reversal of 20102113102 is 20131120102.

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, 1500349 + ... + 1513687.

It is an arithmetic number, because the mean of its divisors is an integer number (1891455255).

Almost surely, 2^20102113102 is an apocalyptic number.

20102113102 is a deficient number, since it is larger than the sum of its proper divisors (10161170978).

20102113102 is a wasteful number, since it uses less digits than its factorization.

20102113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16035.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20102113102 its reverse (20131120102), we get a palindrome (40233233204).

It can be divided in two parts, 2010 and 2113102, that added together give a palindrome (2115112).

The spelling of 20102113102 in words is "twenty billion, one hundred two million, one hundred thirteen thousand, one hundred two".