20022022122100 has 18 divisors (see below), whose sum is σ = 43447788005174. Its totient is φ = 8008808848800.

The previous prime is 20022022122061. The next prime is 20022022122181. The reversal of 20022022122100 is 122122022002.

It can be written as a sum of positive squares in 3 ways, for example, as 293181097444 + 19728841024656 = 541462^2 + 4441716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100110110511 + ... + 100110110710.

Almost surely, 2^{20022022122100} is an apocalyptic number.

20022022122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022022122100 is an abundant number, since it is smaller than the sum of its proper divisors (23425765883074).

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

20022022122100 is a wasteful number, since it uses less digits than its factorization.

20022022122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200220221235 (or 200220221228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022022122100 its reverse (122122022002), we get a palindrome (20144144144102).

The spelling of 20022022122100 in words is "twenty trillion, twenty-two billion, twenty-two million, one hundred twenty-two thousand, one hundred".