20502230599 has 2 divisors, whose sum is σ = 20502230600. Its totient is φ = 20502230598.

The previous prime is 20502230591. The next prime is 20502230663. The reversal of 20502230599 is 99503220502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20502230599 - 2³ = 20502230591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20502230591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10251115299 + 10251115300.

It is an arithmetic number, because the mean of its divisors is an integer number (10251115300).

Almost surely, 2^20502230599 is an apocalyptic number.

20502230599 is a deficient number, since it is larger than the sum of its proper divisors (1).

20502230599 is an equidigital number, since it uses as much as digits as its factorization.

20502230599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 20502230599 in words is "twenty billion, five hundred two million, two hundred thirty thousand, five hundred ninety-nine".