20310232199 has 4 divisors (see below), whose sum is σ = 20444737200. Its totient is φ = 20175727200.

The previous prime is 20310232181. The next prime is 20310232249. The reversal of 20310232199 is 99123201302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99123201302 = 2 ⋅49561600651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20310232199 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 (20310232139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67252274 + ... + 67252575.

It is an arithmetic number, because the mean of its divisors is an integer number (5111184300).

Almost surely, 2^20310232199 is an apocalyptic number.

20310232199 is a deficient number, since it is larger than the sum of its proper divisors (134505001).

20310232199 is a wasteful number, since it uses less digits than its factorization.

20310232199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134505000.

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

The spelling of 20310232199 in words is "twenty billion, three hundred ten million, two hundred thirty-two thousand, one hundred ninety-nine".