20002122222112 has 48 divisors (see below), whose sum is σ = 41452557451200. Its totient is φ = 9474508673280.

The previous prime is 20002122222101. The next prime is 20002122222143. The reversal of 20002122222112 is 21122222120002.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20002122222112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34802037 + ... + 35372107.

It is an arithmetic number, because the mean of its divisors is an integer number (863594946900).

Almost surely, 2^{20002122222112} is an apocalyptic number.

It is an amenable number.

20002122222112 is an abundant number, since it is smaller than the sum of its proper divisors (21450435229088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002122222112 is a wasteful number, since it uses less digits than its factorization.

20002122222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627809 (or 627801 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20002122222112 its reverse (21122222120002), we get a palindrome (41124344342114).

The spelling of 20002122222112 in words is "twenty trillion, two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".