20024137366065 has 48 divisors (see below), whose sum is σ = 41754592214400. Its totient is φ = 8672107608576.

The previous prime is 20024137366043. The next prime is 20024137366081. The reversal of 20024137366065 is 56066373142002.

20024137366065 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 4 + 1 + 3 + 7 + 36 + 606 + 5 = 666.

It is not a de Polignac number, because 20024137366065 - 2²⁶ = 20024070257201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20024137366065.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1672854280 + ... + 1672866249.

It is an arithmetic number, because the mean of its divisors is an integer number (869887337800).

Almost surely, 2^{20024137366065} is an apocalyptic number.

It is an amenable number.

20024137366065 is an abundant number, since it is smaller than the sum of its proper divisors (21730454848335).

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

20024137366065 is a wasteful number, since it uses less digits than its factorization.

20024137366065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345720566 (or 3345720563 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 20024137366065 in words is "twenty trillion, twenty-four billion, one hundred thirty-seven million, three hundred sixty-six thousand, sixty-five".