20222200199991 has 8 divisors (see below), whose sum is σ = 27065454261120. Its totient is φ = 13430206469432.

The previous prime is 20222200199989. The next prime is 20222200200079. The reversal of 20222200199991 is 19999100222202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20222200199991 - 2¹ = 20222200199989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20222200199991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222200199941) 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 7 ways as a sum of consecutive naturals, for example, 12815081721 + ... + 12815083298.

It is an arithmetic number, because the mean of its divisors is an integer number (3383181782640).

Almost surely, 2^{20222200199991} is an apocalyptic number.

20222200199991 is a deficient number, since it is larger than the sum of its proper divisors (6843254061129).

20222200199991 is a wasteful number, since it uses less digits than its factorization.

20222200199991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25630165285.

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 20222200199991 in words is "twenty trillion, two hundred twenty-two billion, two hundred million, one hundred ninety-nine thousand, nine hundred ninety-one".