20002000222122 has 32 divisors (see below), whose sum is σ = 40027614065280. Its totient is φ = 6663398403840.

The previous prime is 20002000222093. The next prime is 20002000222147. The reversal of 20002000222122 is 22122200020002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147362347 + ... + 147498017.

It is an arithmetic number, because the mean of its divisors is an integer number (1250862939540).

Almost surely, 2^{20002000222122} is an apocalyptic number.

20002000222122 is an abundant number, since it is smaller than the sum of its proper divisors (20025613843158).

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

20002000222122 is a wasteful number, since it uses less digits than its factorization.

20002000222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149998.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20002000222122 its reverse (22122200020002), we get a palindrome (42124200242124).

It can be divided in two parts, 200020002 and 22122, that multiplied together give a palindrome (4424842484244).

The spelling of 20002000222122 in words is "twenty trillion, two billion, two hundred twenty-two thousand, one hundred twenty-two".