20504500119999 has 24 divisors (see below), whose sum is σ = 33852190255520. Its totient is φ = 11715648565248.

The previous prime is 20504500119989. The next prime is 20504500120007. The reversal of 20504500119999 is 99991100540502.

20504500119999 is a `hidden beast` number, since 2 + 0 + 5 + 0 + 450 + 0 + 11 + 99 + 99 = 666.

It is not a de Polignac number, because 20504500119999 - 2¹⁵ = 20504500087231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20504500119989) 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 23 ways as a sum of consecutive naturals, for example, 16170994 + ... + 17392815.

Almost surely, 2^{20504500119999} is an apocalyptic number.

20504500119999 is a deficient number, since it is larger than the sum of its proper divisors (13347690135521).

20504500119999 is a wasteful number, since it uses less digits than its factorization.

20504500119999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33573519 (or 33573516 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 54.

The spelling of 20504500119999 in words is "twenty trillion, five hundred four billion, five hundred million, one hundred nineteen thousand, nine hundred ninety-nine".