20113232130 has 48 divisors (see below), whose sum is σ = 52302729024. Its totient is φ = 5362674720.

The previous prime is 20113232129. The next prime is 20113232143. The reversal of 20113232130 is 3123231102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719515 + ... + 746945.

It is an arithmetic number, because the mean of its divisors is an integer number (1089640188).

Almost surely, 2^20113232130 is an apocalyptic number.

20113232130 is an abundant number, since it is smaller than the sum of its proper divisors (32189496894).

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

20113232130 is a wasteful number, since it uses less digits than its factorization.

20113232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35591 (or 35588 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20113232130 its reverse (3123231102), we get a palindrome (23236463232).

The spelling of 20113232130 in words is "twenty billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred thirty".