20589013163 has 4 divisors (see below), whose sum is σ = 20589725400. Its totient is φ = 20588300928.

The previous prime is 20589013153. The next prime is 20589013177. The reversal of 20589013163 is 36131098502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20589013163 - 2¹⁰ = 20589012139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20589013153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310838 + ... + 371211.

It is an arithmetic number, because the mean of its divisors is an integer number (5147431350).

Almost surely, 2^20589013163 is an apocalyptic number.

20589013163 is a deficient number, since it is larger than the sum of its proper divisors (712237).

20589013163 is an equidigital number, since it uses as much as digits as its factorization.

20589013163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712236.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 20589013163 in words is "twenty billion, five hundred eighty-nine million, thirteen thousand, one hundred sixty-three".