20312132299 has 2 divisors, whose sum is σ = 20312132300. Its totient is φ = 20312132298.

The previous prime is 20312132273. The next prime is 20312132317. The reversal of 20312132299 is 99223121302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20312132299 - 2²¹ = 20310035147 is a prime.

It is not a weakly prime, because it can be changed into another prime (20312172299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156066149 + 10156066150.

It is an arithmetic number, because the mean of its divisors is an integer number (10156066150).

Almost surely, 2^20312132299 is an apocalyptic number.

20312132299 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312132299 is an equidigital number, since it uses as much as digits as its factorization.

20312132299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 20312132299 in words is "twenty billion, three hundred twelve million, one hundred thirty-two thousand, two hundred ninety-nine".