20336057089 has 2 divisors, whose sum is σ = 20336057090. Its totient is φ = 20336057088.

The previous prime is 20336057083. The next prime is 20336057117. The reversal of 20336057089 is 98075063302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15523166464 + 4812890625 = 124592^2 + 69375^2 .

It is a cyclic number.

It is not a de Polignac number, because 20336057089 - 2⁵ = 20336057057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20336057083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10168028544 + 10168028545.

It is an arithmetic number, because the mean of its divisors is an integer number (10168028545).

Almost surely, 2^20336057089 is an apocalyptic number.

It is an amenable number.

20336057089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20336057089 is an equidigital number, since it uses as much as digits as its factorization.

20336057089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 20336057089 in words is "twenty billion, three hundred thirty-six million, fifty-seven thousand, eighty-nine".