19924300131 has 32 divisors (see below), whose sum is σ = 27848122368. Its totient is φ = 12660157440.

The previous prime is 19924300127. The next prime is 19924300139. The reversal of 19924300131 is 13100342991.

It is a happy number.

It is not a de Polignac number, because 19924300131 - 2² = 19924300127 is a prime.

It is a super-2 number, since 2×19924300131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19924300092 and 19924300101.

It is not an unprimeable number, because it can be changed into a prime (19924300139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 989395 + ... + 1009331.

It is an arithmetic number, because the mean of its divisors is an integer number (870253824).

Almost surely, 2^19924300131 is an apocalyptic number.

19924300131 is a deficient number, since it is larger than the sum of its proper divisors (7923822237).

19924300131 is a wasteful number, since it uses less digits than its factorization.

19924300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20171.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 19924300131 in words is "nineteen billion, nine hundred twenty-four million, three hundred thousand, one hundred thirty-one".