20838801199 has 2 divisors, whose sum is σ = 20838801200. Its totient is φ = 20838801198.

The previous prime is 20838801167. The next prime is 20838801227. The reversal of 20838801199 is 99110883802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20838801199 - 2⁵ = 20838801167 is a prime.

It is a super-2 number, since 2×20838801199² (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 (20838801149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10419400599 + 10419400600.

It is an arithmetic number, because the mean of its divisors is an integer number (10419400600).

Almost surely, 2^20838801199 is an apocalyptic number.

20838801199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20838801199 is an equidigital number, since it uses as much as digits as its factorization.

20838801199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 20838801199 in words is "twenty billion, eight hundred thirty-eight million, eight hundred one thousand, one hundred ninety-nine".