20431300124 has 12 divisors (see below), whose sum is σ = 35756351904. Its totient is φ = 10215199584.

The previous prime is 20431300117. The next prime is 20431300147. The reversal of 20431300124 is 42100313402.

It is a junction number, because it is equal to n+sod(n) for n = 20431300096 and 20431300105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504 + ... + 202160.

It is an arithmetic number, because the mean of its divisors is an integer number (2979695992).

Almost surely, 2^20431300124 is an apocalyptic number.

It is an amenable number.

20431300124 is a deficient number, since it is larger than the sum of its proper divisors (15325051780).

20431300124 is a wasteful number, since it uses less digits than its factorization.

20431300124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225244 (or 225242 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20431300124 its reverse (42100313402), we get a palindrome (62531613526).

The spelling of 20431300124 in words is "twenty billion, four hundred thirty-one million, three hundred thousand, one hundred twenty-four".