20126330057719 has 2 divisors, whose sum is σ = 20126330057720. Its totient is φ = 20126330057718.

The previous prime is 20126330057711. The next prime is 20126330057723. The reversal of 20126330057719 is 91775003362102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20126330057719 - 2³ = 20126330057711 is a prime.

It is a super-2 number, since 2×20126330057719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20126330057711) 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, 10063165028859 + 10063165028860.

It is an arithmetic number, because the mean of its divisors is an integer number (10063165028860).

Almost surely, 2^{20126330057719} is an apocalyptic number.

20126330057719 is a deficient number, since it is larger than the sum of its proper divisors (1).

20126330057719 is an equidigital number, since it uses as much as digits as its factorization.

20126330057719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 20126330057719 in words is "twenty trillion, one hundred twenty-six billion, three hundred thirty million, fifty-seven thousand, seven hundred nineteen".