20013731006363 has 8 divisors (see below), whose sum is σ = 20501931616656. Its totient is φ = 19525533292800.

The previous prime is 20013731006333. The next prime is 20013731006413. The reversal of 20013731006363 is 36360013731002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20013731006363 - 2¹⁸ = 20013730744219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013731006333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21424928 + ... + 22339538.

It is an arithmetic number, because the mean of its divisors is an integer number (2562741452082).

Almost surely, 2^{20013731006363} is an apocalyptic number.

20013731006363 is a deficient number, since it is larger than the sum of its proper divisors (488200610293).

20013731006363 is an equidigital number, since it uses as much as digits as its factorization.

20013731006363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448365.

The product of its (nonzero) digits is 40824, while the sum is 35.

Adding to 20013731006363 its reverse (36360013731002), we get a palindrome (56373744737365).

The spelling of 20013731006363 in words is "twenty trillion, thirteen billion, seven hundred thirty-one million, six thousand, three hundred sixty-three".