20020201222122 has 24 divisors (see below), whose sum is σ = 43480627968960. Its totient is φ = 6657473434920.

The previous prime is 20020201222081. The next prime is 20020201222127. The reversal of 20020201222122 is 22122210202002.

20020201222122 is a `hidden beast` number, since 200 + 20 + 201 + 2 + 221 + 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 = 20020201222095 and 20020201222104.

It is not an unprimeable number, because it can be changed into a prime (20020201222127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1327239954 + ... + 1327255037.

It is an arithmetic number, because the mean of its divisors is an integer number (1811692832040).

Almost surely, 2^{20020201222122} is an apocalyptic number.

20020201222122 is an abundant number, since it is smaller than the sum of its proper divisors (23460426746838).

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

20020201222122 is a wasteful number, since it uses less digits than its factorization.

20020201222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654495418 (or 2654495415 counting only the distinct ones).

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

Adding to 20020201222122 its reverse (22122210202002), we get a palindrome (42142411424124).

The spelling of 20020201222122 in words is "twenty trillion, twenty billion, two hundred one million, two hundred twenty-two thousand, one hundred twenty-two".