20323211299 has 2 divisors, whose sum is σ = 20323211300. Its totient is φ = 20323211298.

The previous prime is 20323211179. The next prime is 20323211327. The reversal of 20323211299 is 99211232302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20323211299 - 2¹⁵ = 20323178531 is a prime.

It is not a weakly prime, because it can be changed into another prime (20323211399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161605649 + 10161605650.

It is an arithmetic number, because the mean of its divisors is an integer number (10161605650).

Almost surely, 2^20323211299 is an apocalyptic number.

20323211299 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323211299 is an equidigital number, since it uses as much as digits as its factorization.

20323211299 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 20323211299 in words is "twenty billion, three hundred twenty-three million, two hundred eleven thousand, two hundred ninety-nine".