20240064317757 has 16 divisors (see below), whose sum is σ = 27110533201920. Its totient is φ = 13431498162672.

The previous prime is 20240064317723. The next prime is 20240064317813. The reversal of 20240064317757 is 75771346004202.

It is a de Polignac number, because none of the positive numbers 2^k-20240064317757 is a prime.

It is a super-2 number, since 2×20240064317757² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240064318757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5044828 + ... + 8119754.

It is an arithmetic number, because the mean of its divisors is an integer number (1694408325120).

Almost surely, 2^{20240064317757} is an apocalyptic number.

It is an amenable number.

20240064317757 is a deficient number, since it is larger than the sum of its proper divisors (6870468884163).

20240064317757 is a wasteful number, since it uses less digits than its factorization.

20240064317757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084992.

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 20240064317757 in words is "twenty trillion, two hundred forty billion, sixty-four million, three hundred seventeen thousand, seven hundred fifty-seven".