20017058959 has 2 divisors, whose sum is σ = 20017058960. Its totient is φ = 20017058958.

The previous prime is 20017058917. The next prime is 20017058993. The reversal of 20017058959 is 95985071002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20017058959 - 2²³ = 20008670351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011058959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10008529479 + 10008529480.

It is an arithmetic number, because the mean of its divisors is an integer number (10008529480).

Almost surely, 2^20017058959 is an apocalyptic number.

20017058959 is a deficient number, since it is larger than the sum of its proper divisors (1).

20017058959 is an equidigital number, since it uses as much as digits as its factorization.

20017058959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 20017058959 in words is "twenty billion, seventeen million, fifty-eight thousand, nine hundred fifty-nine".