20233202089 has 2 divisors, whose sum is σ = 20233202090. Its totient is φ = 20233202088.

The previous prime is 20233201991. The next prime is 20233202113. The reversal of 20233202089 is 98020233202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11509642089 + 8723560000 = 107283^2 + 93400^2 .

It is a cyclic number.

It is not a de Polignac number, because 20233202089 - 2⁹ = 20233201577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20233202089.

It is not a weakly prime, because it can be changed into another prime (20233202389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116601044 + 10116601045.

It is an arithmetic number, because the mean of its divisors is an integer number (10116601045).

Almost surely, 2^20233202089 is an apocalyptic number.

It is an amenable number.

20233202089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233202089 is an equidigital number, since it uses as much as digits as its factorization.

20233202089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 20233202089 in words is "twenty billion, two hundred thirty-three million, two hundred two thousand, eighty-nine".