20359512239 has 16 divisors (see below), whose sum is σ = 23867882496. Its totient is φ = 17159894400.

The previous prime is 20359512227. The next prime is 20359512241. The reversal of 20359512239 is 93221595302.

It is not a de Polignac number, because 20359512239 - 2⁴ = 20359512223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20359512196 and 20359512205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20359512259) 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 15 ways as a sum of consecutive naturals, for example, 799967 + ... + 825024.

It is an arithmetic number, because the mean of its divisors is an integer number (1491742656).

Almost surely, 2^20359512239 is an apocalyptic number.

20359512239 is a deficient number, since it is larger than the sum of its proper divisors (3508370257).

20359512239 is a wasteful number, since it uses less digits than its factorization.

20359512239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625086.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 20359512239 in words is "twenty billion, three hundred fifty-nine million, five hundred twelve thousand, two hundred thirty-nine".