20013653732051 has 12 divisors (see below), whose sum is σ = 23302528409160. Its totient is φ = 17138836592640.

The previous prime is 20013653732047. The next prime is 20013653732081. The reversal of 20013653732051 is 15023735631002.

It is not a de Polignac number, because 20013653732051 - 2² = 20013653732047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20013653731996 and 20013653732014.

It is not an unprimeable number, because it can be changed into a prime (20013653732081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187133486 + ... + 187240403.

It is an arithmetic number, because the mean of its divisors is an integer number (1941877367430).

Almost surely, 2^{20013653732051} is an apocalyptic number.

20013653732051 is a deficient number, since it is larger than the sum of its proper divisors (3288874677109).

20013653732051 is a wasteful number, since it uses less digits than its factorization.

20013653732051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374374994 (or 374374987 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 20013653732051 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, seven hundred thirty-two thousand, fifty-one".