20130022589 has 2 divisors, whose sum is σ = 20130022590. Its totient is φ = 20130022588.

The previous prime is 20130022529. The next prime is 20130022603. The reversal of 20130022589 is 98522003102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20074639225 + 55383364 = 141685^2 + 7442^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130022589 - 2²⁰ = 20128974013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130022529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065011294 + 10065011295.

It is an arithmetic number, because the mean of its divisors is an integer number (10065011295).

Almost surely, 2^20130022589 is an apocalyptic number.

It is an amenable number.

20130022589 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130022589 is an equidigital number, since it uses as much as digits as its factorization.

20130022589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 20130022589 in words is "twenty billion, one hundred thirty million, twenty-two thousand, five hundred eighty-nine".