20888539159 has 2 divisors, whose sum is σ = 20888539160. Its totient is φ = 20888539158.

The previous prime is 20888539127. The next prime is 20888539213. The reversal of 20888539159 is 95193588802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20888539159 - 2⁵ = 20888539127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20888539459) 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, 10444269579 + 10444269580.

It is an arithmetic number, because the mean of its divisors is an integer number (10444269580).

Almost surely, 2^20888539159 is an apocalyptic number.

20888539159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20888539159 is an equidigital number, since it uses as much as digits as its factorization.

20888539159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 58.

The spelling of 20888539159 in words is "twenty billion, eight hundred eighty-eight million, five hundred thirty-nine thousand, one hundred fifty-nine".