20023330131 has 24 divisors (see below), whose sum is σ = 33059579904. Its totient is φ = 11440105200.

The previous prime is 20023330123. The next prime is 20023330141. The reversal of 20023330131 is 13103332002.

20023330131 is a `hidden beast` number, since 200 + 2 + 3 + 330 + 131 = 666.

It is not a de Polignac number, because 20023330131 - 2³ = 20023330123 is a prime.

It is a super-2 number, since 2×20023330131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20023330121) by changing a digit.

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, 450456 + ... + 492906.

It is an arithmetic number, because the mean of its divisors is an integer number (1377482496).

Almost surely, 2^20023330131 is an apocalyptic number.

20023330131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20023330131 is a deficient number, since it is larger than the sum of its proper divisors (13036249773).

20023330131 is a wasteful number, since it uses less digits than its factorization.

20023330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49951 (or 49948 counting only the distinct ones).

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

Adding to 20023330131 its reverse (13103332002), we get a palindrome (33126662133).

The spelling of 20023330131 in words is "twenty billion, twenty-three million, three hundred thirty thousand, one hundred thirty-one".