20846607199 has 16 divisors (see below), whose sum is σ = 23155616160. Its totient is φ = 18607680000.

The previous prime is 20846607191. The next prime is 20846607203. The reversal of 20846607199 is 99170664802.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20846607199 - 2³ = 20846607191 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 (20846607191) 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 15 ways as a sum of consecutive naturals, for example, 354499 + ... + 409099.

It is an arithmetic number, because the mean of its divisors is an integer number (1447226010).

Almost surely, 2^20846607199 is an apocalyptic number.

20846607199 is a deficient number, since it is larger than the sum of its proper divisors (2309008961).

20846607199 is a wasteful number, since it uses less digits than its factorization.

20846607199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55242.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 20846607199 in words is "twenty billion, eight hundred forty-six million, six hundred seven thousand, one hundred ninety-nine".