20720886059 has 2 divisors, whose sum is σ = 20720886060. Its totient is φ = 20720886058.

The previous prime is 20720886023. The next prime is 20720886073. The reversal of 20720886059 is 95068802702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20720886059 - 2²⁰ = 20719837483 is a prime.

It is not a weakly prime, because it can be changed into another prime (20720886089) 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, 10360443029 + 10360443030.

It is an arithmetic number, because the mean of its divisors is an integer number (10360443030).

Almost surely, 2^20720886059 is an apocalyptic number.

20720886059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20720886059 is an equidigital number, since it uses as much as digits as its factorization.

20720886059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 20720886059 in words is "twenty billion, seven hundred twenty million, eight hundred eighty-six thousand, fifty-nine".