20024023723056 has 60 divisors (see below), whose sum is σ = 58988900303320. Its totient is φ = 6323375911680.

The previous prime is 20024023723051. The next prime is 20024023723069. The reversal of 20024023723056 is 65032732042002.

20024023723056 is a `hidden beast` number, since 20 + 0 + 240 + 23 + 72 + 305 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20024023723056.

It is not an unprimeable number, because it can be changed into a prime (20024023723051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3659358325 + ... + 3659363796.

Almost surely, 2^{20024023723056} is an apocalyptic number.

It is an amenable number.

20024023723056 is an abundant number, since it is smaller than the sum of its proper divisors (38964876580264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20024023723056 is a wasteful number, since it uses less digits than its factorization.

20024023723056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7318722154 (or 7318722145 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

Adding to 20024023723056 its reverse (65032732042002), we get a palindrome (85056755765058).

The spelling of 20024023723056 in words is "twenty trillion, twenty-four billion, twenty-three million, seven hundred twenty-three thousand, fifty-six".