20373505199 has 2 divisors, whose sum is σ = 20373505200. Its totient is φ = 20373505198.

The previous prime is 20373505183. The next prime is 20373505219. The reversal of 20373505199 is 99150537302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20373505199 - 2⁴ = 20373505183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20373505099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186752599 + 10186752600.

It is an arithmetic number, because the mean of its divisors is an integer number (10186752600).

Almost surely, 2^20373505199 is an apocalyptic number.

20373505199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20373505199 is an equidigital number, since it uses as much as digits as its factorization.

20373505199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 255150, while the sum is 44.

The spelling of 20373505199 in words is "twenty billion, three hundred seventy-three million, five hundred five thousand, one hundred ninety-nine".