20024137715077 has 2 divisors, whose sum is σ = 20024137715078. Its totient is φ = 20024137715076.

The previous prime is 20024137715063. The next prime is 20024137715081. The reversal of 20024137715077 is 77051773142002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11298411638721 + 8725726076356 = 3361311^2 + 2953934^2 .

It is a cyclic number.

It is not a de Polignac number, because 20024137715077 - 2³⁹ = 19474381901189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20024137715027) 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 as a sum of consecutive naturals, namely, 10012068857538 + 10012068857539.

It is an arithmetic number, because the mean of its divisors is an integer number (10012068857539).

Almost surely, 2^{20024137715077} is an apocalyptic number.

It is an amenable number.

20024137715077 is a deficient number, since it is larger than the sum of its proper divisors (1).

20024137715077 is an equidigital number, since it uses as much as digits as its factorization.

20024137715077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576240, while the sum is 46.

The spelling of 20024137715077 in words is "twenty trillion, twenty-four billion, one hundred thirty-seven million, seven hundred fifteen thousand, seventy-seven".