20323102199 has 4 divisors (see below), whose sum is σ = 20567958936. Its totient is φ = 20078245464.

The previous prime is 20323102157. The next prime is 20323102213. The reversal of 20323102199 is 99120132302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20323102199 - 2⁸ = 20323101943 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 (20323102139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122428244 + ... + 122428409.

It is an arithmetic number, because the mean of its divisors is an integer number (5141989734).

Almost surely, 2^20323102199 is an apocalyptic number.

20323102199 is a deficient number, since it is larger than the sum of its proper divisors (244856737).

20323102199 is an equidigital number, since it uses as much as digits as its factorization.

20323102199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244856736.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 20323102199 in words is "twenty billion, three hundred twenty-three million, one hundred two thousand, one hundred ninety-nine".