20013124203237 has 16 divisors (see below), whose sum is σ = 29114177444352. Its totient is φ = 12127425099120.

The previous prime is 20013124203197. The next prime is 20013124203251. The reversal of 20013124203237 is 73230242131002.

It is not a de Polignac number, because 20013124203237 - 2²⁷ = 20012989985509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013124203277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43293723 + ... + 43753544.

It is an arithmetic number, because the mean of its divisors is an integer number (1819636090272).

Almost surely, 2^{20013124203237} is an apocalyptic number.

It is an amenable number.

20013124203237 is a deficient number, since it is larger than the sum of its proper divisors (9101053241115).

20013124203237 is a wasteful number, since it uses less digits than its factorization.

20013124203237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87054248.

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 20013124203237 its reverse (73230242131002), we get a palindrome (93243366334239).

The spelling of 20013124203237 in words is "twenty trillion, thirteen billion, one hundred twenty-four million, two hundred three thousand, two hundred thirty-seven".