20320222199 has 2 divisors, whose sum is σ = 20320222200. Its totient is φ = 20320222198.

The previous prime is 20320222187. The next prime is 20320222249. The reversal of 20320222199 is 99122202302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20320222199 - 2²⁴ = 20303444983 is a prime.

It is a super-2 number, since 2×20320222199² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320222399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160111099 + 10160111100.

It is an arithmetic number, because the mean of its divisors is an integer number (10160111100).

Almost surely, 2^20320222199 is an apocalyptic number.

20320222199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320222199 is an equidigital number, since it uses as much as digits as its factorization.

20320222199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 20320222199 in words is "twenty billion, three hundred twenty million, two hundred twenty-two thousand, one hundred ninety-nine".