20116707320089 has 2 divisors, whose sum is σ = 20116707320090. Its totient is φ = 20116707320088.

The previous prime is 20116707320041. The next prime is 20116707320161. The reversal of 20116707320089 is 98002370761102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19664861202064 + 451846118025 = 4434508^2 + 672195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20116707320089 is a prime.

It is not a weakly prime, because it can be changed into another prime (20116707320029) 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 as a sum of consecutive naturals, namely, 10058353660044 + 10058353660045.

It is an arithmetic number, because the mean of its divisors is an integer number (10058353660045).

Almost surely, 2^{20116707320089} is an apocalyptic number.

It is an amenable number.

20116707320089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116707320089 is an equidigital number, since it uses as much as digits as its factorization.

20116707320089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 20116707320089 in words is "twenty trillion, one hundred sixteen billion, seven hundred seven million, three hundred twenty thousand, eighty-nine".