20102110983 has 64 divisors (see below), whose sum is σ = 31914147840. Its totient is φ = 12483590400.

The previous prime is 20102110961. The next prime is 20102111039. The reversal of 20102110983 is 38901120102.

It is not a de Polignac number, because 20102110983 - 2¹² = 20102106887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102112983) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2395491 + ... + 2403867.

It is an arithmetic number, because the mean of its divisors is an integer number (498658560).

Almost surely, 2^20102110983 is an apocalyptic number.

20102110983 is a deficient number, since it is larger than the sum of its proper divisors (11812036857).

20102110983 is a wasteful number, since it uses less digits than its factorization.

20102110983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525 (or 8519 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 20102110983 in words is "twenty billion, one hundred two million, one hundred ten thousand, nine hundred eighty-three".