20022220012122 has 24 divisors (see below), whose sum is σ = 43723063128576. Its totient is φ = 6621521578056.

The previous prime is 20022220012103. The next prime is 20022220012213. The reversal of 20022220012122 is 22121002222002.

20022220012122 is a `hidden beast` number, since 200 + 222 + 200 + 1 + 21 + 22 = 666.

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 = 20022220012095 and 20022220012104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4379310928 + ... + 4379315499.

It is an arithmetic number, because the mean of its divisors is an integer number (1821794297024).

Almost surely, 2^{20022220012122} is an apocalyptic number.

20022220012122 is an abundant number, since it is smaller than the sum of its proper divisors (23700843116454).

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

20022220012122 is a wasteful number, since it uses less digits than its factorization.

20022220012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758626562 (or 8758626559 counting only the distinct ones).

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

Adding to 20022220012122 its reverse (22121002222002), we get a palindrome (42143222234124).

The spelling of 20022220012122 in words is "twenty trillion, twenty-two billion, two hundred twenty million, twelve thousand, one hundred twenty-two".