20996186598122 has 16 divisors (see below), whose sum is σ = 32611646995200. Its totient is φ = 10126334431920.

The previous prime is 20996186598119. The next prime is 20996186598133. The reversal of 20996186598122 is 22189568169902.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 174147254 + ... + 174267777.

It is an arithmetic number, because the mean of its divisors is an integer number (2038227937200).

Almost surely, 2^{20996186598122} is an apocalyptic number.

20996186598122 is a deficient number, since it is larger than the sum of its proper divisors (11615460397078).

20996186598122 is a wasteful number, since it uses less digits than its factorization.

20996186598122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348416101.

The product of its (nonzero) digits is 67184640, while the sum is 68.

The spelling of 20996186598122 in words is "twenty trillion, nine hundred ninety-six billion, one hundred eighty-six million, five hundred ninety-eight thousand, one hundred twenty-two".