20231189259 has 4 divisors (see below), whose sum is σ = 26974919016. Its totient is φ = 13487459504.

The previous prime is 20231189219. The next prime is 20231189261. The reversal of 20231189259 is 95298113202.

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 20231189259 - 2¹¹ = 20231187211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231189259.

It is not an unprimeable number, because it can be changed into a prime (20231189219) 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, 3371864874 + ... + 3371864879.

It is an arithmetic number, because the mean of its divisors is an integer number (6743729754).

Almost surely, 2^20231189259 is an apocalyptic number.

20231189259 is a deficient number, since it is larger than the sum of its proper divisors (6743729757).

20231189259 is an equidigital number, since it uses as much as digits as its factorization.

20231189259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743729756.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 20231189259 in words is "twenty billion, two hundred thirty-one million, one hundred eighty-nine thousand, two hundred fifty-nine".