20152431124 has 24 divisors (see below), whose sum is σ = 40313876288. Its totient is φ = 8634824640.

The previous prime is 20152431107. The next prime is 20152431181. The reversal of 20152431124 is 42113425102.

It is a super-2 number, since 2×20152431124² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50704 + ... + 207064.

Almost surely, 2^20152431124 is an apocalyptic number.

It is an amenable number.

20152431124 is an abundant number, since it is smaller than the sum of its proper divisors (20161445164).

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

20152431124 is a wasteful number, since it uses less digits than its factorization.

20152431124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160975 (or 160973 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 20152431124 its reverse (42113425102), we get a palindrome (62265856226).

The spelling of 20152431124 in words is "twenty billion, one hundred fifty-two million, four hundred thirty-one thousand, one hundred twenty-four".