20132399999 has 2 divisors, whose sum is σ = 20132400000. Its totient is φ = 20132399998.

The previous prime is 20132399983. The next prime is 20132400017. The reversal of 20132399999 is 99999323102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20132399999 - 2⁴ = 20132399983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132399909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066199999 + 10066200000.

It is an arithmetic number, because the mean of its divisors is an integer number (10066200000).

Almost surely, 2^20132399999 is an apocalyptic number.

20132399999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132399999 is an equidigital number, since it uses as much as digits as its factorization.

20132399999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2125764, while the sum is 56.

The spelling of 20132399999 in words is "twenty billion, one hundred thirty-two million, three hundred ninety-nine thousand, nine hundred ninety-nine".