20311303199 has 16 divisors (see below), whose sum is σ = 23430435840. Its totient is φ = 17433336000.

The previous prime is 20311303169. The next prime is 20311303211. The reversal of 20311303199 is 99130311302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20311303199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311303169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712409 + ... + 740370.

It is an arithmetic number, because the mean of its divisors is an integer number (1464402240).

Almost surely, 2^20311303199 is an apocalyptic number.

20311303199 is a deficient number, since it is larger than the sum of its proper divisors (3119132641).

20311303199 is a wasteful number, since it uses less digits than its factorization.

20311303199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452862.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 20311303199 in words is "twenty billion, three hundred eleven million, three hundred three thousand, one hundred ninety-nine".