20022022121022 has 24 divisors (see below), whose sum is σ = 45267180448464. Its totient is φ = 6383833139904.

The previous prime is 20022022121021. The next prime is 20022022121029. The reversal of 20022022121022 is 22012122022002.

20022022121022 is a `hidden beast` number, since 200 + 220 + 2 + 212 + 10 + 22 = 666.

It is a super-2 number, since 2×20022022121022² (a number of 27 digits) contains 22 as substring.

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 = 20022022120986 and 20022022121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022022121021) 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, 24181185723 + ... + 24181186550.

It is an arithmetic number, because the mean of its divisors is an integer number (1886132518686).

Almost surely, 2^{20022022121022} is an apocalyptic number.

20022022121022 is an abundant number, since it is smaller than the sum of its proper divisors (25245158327442).

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

20022022121022 is a wasteful number, since it uses less digits than its factorization.

20022022121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48362372304 (or 48362372301 counting only the distinct ones).

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

Adding to 20022022121022 its reverse (22012122022002), we get a palindrome (42034144143024).

The spelling of 20022022121022 in words is "twenty trillion, twenty-two billion, twenty-two million, one hundred twenty-one thousand, twenty-two".