20013232110 has 16 divisors (see below), whose sum is σ = 48031757136. Its totient is φ = 5336861888.

The previous prime is 20013232097. The next prime is 20013232181. The reversal of 20013232110 is 1123231002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20013232110.

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, 333553839 + ... + 333553898.

It is an arithmetic number, because the mean of its divisors is an integer number (3001984821).

Almost surely, 2^20013232110 is an apocalyptic number.

20013232110 is an abundant number, since it is smaller than the sum of its proper divisors (28018525026).

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

20013232110 is a wasteful number, since it uses less digits than its factorization.

20013232110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667107747.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20013232110 its reverse (1123231002), we get a palindrome (21136463112).

The spelling of 20013232110 in words is "twenty billion, thirteen million, two hundred thirty-two thousand, one hundred ten".