20024065734657 has 32 divisors (see below), whose sum is σ = 27785517454080. Its totient is φ = 12811567507200.

The previous prime is 20024065734641. The next prime is 20024065734671. The reversal of 20024065734657 is 75643756042002.

It is not a de Polignac number, because 20024065734657 - 2⁴ = 20024065734641 is a prime.

It is a super-2 number, since 2×20024065734657² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20024065734457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65424532 + ... + 65729882.

It is an arithmetic number, because the mean of its divisors is an integer number (868297420440).

Almost surely, 2^{20024065734657} is an apocalyptic number.

It is an amenable number.

20024065734657 is a deficient number, since it is larger than the sum of its proper divisors (7761451719423).

20024065734657 is a wasteful number, since it uses less digits than its factorization.

20024065734657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309913.

The product of its (nonzero) digits is 8467200, while the sum is 51.

The spelling of 20024065734657 in words is "twenty trillion, twenty-four billion, sixty-five million, seven hundred thirty-four thousand, six hundred fifty-seven".