20002022221122 has 96 divisors (see below), whose sum is σ = 47326855680000. Its totient is φ = 6081954737760.

The previous prime is 20002022221099. The next prime is 20002022221163. The reversal of 20002022221122 is 22112222020002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20002022221095 and 20002022221104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2630472 + ... + 6850067.

It is an arithmetic number, because the mean of its divisors is an integer number (492988080000).

Almost surely, 2^{20002022221122} is an apocalyptic number.

20002022221122 is an abundant number, since it is smaller than the sum of its proper divisors (27324833458878).

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

20002022221122 is a wasteful number, since it uses less digits than its factorization.

20002022221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9480796 (or 9480793 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20002022221122 its reverse (22112222020002), we get a palindrome (42114244241124).

The spelling of 20002022221122 in words is "twenty trillion, two billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".