20131400024 has 32 divisors (see below), whose sum is σ = 38060475600. Its totient is φ = 9982619712.

The previous prime is 20131400021. The next prime is 20131400027. The reversal of 20131400024 is 42000413102.

It is an interprime number because it is at equal distance from previous prime (20131400021) and next prime (20131400027).

It is a junction number, because it is equal to n+sod(n) for n = 20131399975 and 20131400011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131400021) 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 7 ways as a sum of consecutive naturals, for example, 21484484 + ... + 21485420.

Almost surely, 2^20131400024 is an apocalyptic number.

It is an amenable number.

20131400024 is a deficient number, since it is larger than the sum of its proper divisors (17929075576).

20131400024 is an frugal number, since it uses more digits than its factorization.

20131400024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20131400024 its reverse (42000413102), we get a palindrome (62131813126).

The spelling of 20131400024 in words is "twenty billion, one hundred thirty-one million, four hundred thousand, twenty-four".