20013777663179 has 2 divisors, whose sum is σ = 20013777663180. Its totient is φ = 20013777663178.

The previous prime is 20013777663167. The next prime is 20013777663233. The reversal of 20013777663179 is 97136677731002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20013777663179 - 2⁴⁰ = 18914266035403 is a prime.

It is not a weakly prime, because it can be changed into another prime (20013777663079) 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, 10006888831589 + 10006888831590.

It is an arithmetic number, because the mean of its divisors is an integer number (10006888831590).

Almost surely, 2^{20013777663179} is an apocalyptic number.

20013777663179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013777663179 is an equidigital number, since it uses as much as digits as its factorization.

20013777663179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14002632, while the sum is 59.

The spelling of 20013777663179 in words is "twenty trillion, thirteen billion, seven hundred seventy-seven million, six hundred sixty-three thousand, one hundred seventy-nine".