20022012220122 has 48 divisors (see below), whose sum is σ = 48217676109408. Its totient is φ = 5952799513440.

The previous prime is 20022012220117. The next prime is 20022012220157. The reversal of 20022012220122 is 22102221022002.

20022012220122 is a `hidden beast` number, since 200 + 220 + 1 + 2 + 220 + 1 + 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 = 20022012220095 and 20022012220104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 953963788 + ... + 953984775.

It is an arithmetic number, because the mean of its divisors is an integer number (1004534918946).

Almost surely, 2^{20022012220122} is an apocalyptic number.

20022012220122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20022012220122 is an abundant number, since it is smaller than the sum of its proper divisors (28195663889286).

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

20022012220122 is a wasteful number, since it uses less digits than its factorization.

20022012220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907948635 (or 1907948632 counting only the distinct ones).

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

Adding to 20022012220122 its reverse (22102221022002), we get a palindrome (42124233242124).

The spelling of 20022012220122 in words is "twenty trillion, twenty-two billion, twelve million, two hundred twenty thousand, one hundred twenty-two".