20331003199 has 4 divisors (see below), whose sum is σ = 21894926536. Its totient is φ = 18767079864.

The previous prime is 20331003197. The next prime is 20331003223. The reversal of 20331003199 is 99130013302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99130013302 = 2 ⋅49565006651.

It is not a de Polignac number, because 20331003199 - 2¹ = 20331003197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20331003199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331003191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781961649 + ... + 781961674.

It is an arithmetic number, because the mean of its divisors is an integer number (5473731634).

Almost surely, 2^20331003199 is an apocalyptic number.

20331003199 is a deficient number, since it is larger than the sum of its proper divisors (1563923337).

20331003199 is a wasteful number, since it uses less digits than its factorization.

20331003199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563923336.

The product of its (nonzero) digits is 4374, while the sum is 31.

The spelling of 20331003199 in words is "twenty billion, three hundred thirty-one million, three thousand, one hundred ninety-nine".