20444022199 has 4 divisors (see below), whose sum is σ = 20495005200. Its totient is φ = 20393039200.

The previous prime is 20444022191. The next prime is 20444022251. The reversal of 20444022199 is 99122044402.

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 20444022199 - 2³ = 20444022191 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 (20444022191) 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, 25490899 + ... + 25491700.

It is an arithmetic number, because the mean of its divisors is an integer number (5123751300).

Almost surely, 2^20444022199 is an apocalyptic number.

20444022199 is a deficient number, since it is larger than the sum of its proper divisors (50983001).

20444022199 is an equidigital number, since it uses as much as digits as its factorization.

20444022199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50983000.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 20444022199 in words is "twenty billion, four hundred forty-four million, twenty-two thousand, one hundred ninety-nine".