130020023100 has 72 divisors (see below), whose sum is σ = 410390483328. Its totient is φ = 31520004800.

The previous prime is 130020023051. The next prime is 130020023143. The reversal of 130020023100 is 1320020031.

It is a happy number.

It is a super-2 number, since 2×130020023100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19696704 + ... + 19703303.

It is an arithmetic number, because the mean of its divisors is an integer number (5699867824).

Almost surely, 2^130020023100 is an apocalyptic number.

130020023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130020023100 is an abundant number, since it is smaller than the sum of its proper divisors (280370460228).

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

130020023100 is a wasteful number, since it uses less digits than its factorization.

130020023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39400035 (or 39400028 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 130020023100 its reverse (1320020031), we get a palindrome (131340043131).

The spelling of 130020023100 in words is "one hundred thirty billion, twenty million, twenty-three thousand, one hundred".