20112222012208 has 20 divisors (see below), whose sum is σ = 38967555670288. Its totient is φ = 10056078613440.

The previous prime is 20112222012067. The next prime is 20112222012229. The reversal of 20112222012208 is 80221022221102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565510 + ... + 7275802.

Almost surely, 2^{20112222012208} is an apocalyptic number.

It is an amenable number.

20112222012208 is a deficient number, since it is larger than the sum of its proper divisors (18855333658080).

20112222012208 is a wasteful number, since it uses less digits than its factorization.

20112222012208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049092 (or 4049086 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The spelling of 20112222012208 in words is "twenty trillion, one hundred twelve billion, two hundred twenty-two million, twelve thousand, two hundred eight".