20042859159 has 8 divisors (see below), whose sum is σ = 29693124720. Its totient is φ = 13361906088.

The previous prime is 20042859139. The next prime is 20042859163. The reversal of 20042859159 is 95195824002.

It is a happy number.

20042859159 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 2 + 8 + 591 + 59 = 666.

It is not a de Polignac number, because 20042859159 - 2⁵ = 20042859127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042859119) 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 in 7 ways as a sum of consecutive naturals, for example, 371164032 + ... + 371164085.

It is an arithmetic number, because the mean of its divisors is an integer number (3711640590).

Almost surely, 2^20042859159 is an apocalyptic number.

20042859159 is a deficient number, since it is larger than the sum of its proper divisors (9650265561).

20042859159 is an equidigital number, since it uses as much as digits as its factorization.

20042859159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742328126 (or 742328120 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 20042859159 in words is "twenty billion, forty-two million, eight hundred fifty-nine thousand, one hundred fifty-nine".