23330131020 has 144 divisors (see below), whose sum is σ = 80973442368. Its totient is φ = 5326295040.

The previous prime is 23330130977. The next prime is 23330131039. The reversal of 23330131020 is 2013103332.

23330131020 is a `hidden beast` number, since 2 + 3 + 330 + 1 + 310 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 23330130984 and 23330131002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1099552 + ... + 1120568.

It is an arithmetic number, because the mean of its divisors is an integer number (562315572).

Almost surely, 2^23330131020 is an apocalyptic number.

23330131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23330131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40486721184).

23330131020 is an abundant number, since it is smaller than the sum of its proper divisors (57643311348).

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

23330131020 is a wasteful number, since it uses less digits than its factorization.

23330131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21920 (or 21915 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23330131020 its reverse (2013103332), we get a palindrome (25343234352).

The spelling of 23330131020 in words is "twenty-three billion, three hundred thirty million, one hundred thirty-one thousand, twenty".