20222202221100 has 216 divisors, whose sum is σ = 69169003525440. Its totient is φ = 4900839984000.

The previous prime is 20222202221093. The next prime is 20222202221119. The reversal of 20222202221100 is 112220222202.

20222202221100 is a `hidden beast` number, since 20 + 222 + 202 + 221 + 1 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31950715 + ... + 32577485.

Almost surely, 2^{20222202221100} is an apocalyptic number.

20222202221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222202221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34584501762720).

20222202221100 is an abundant number, since it is smaller than the sum of its proper divisors (48946801304340).

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

20222202221100 is a wasteful number, since it uses less digits than its factorization.

20222202221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630061 (or 630051 counting only the distinct ones).

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

Adding to 20222202221100 its reverse (112220222202), we get a palindrome (20334422443302).

The spelling of 20222202221100 in words is "twenty trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, one hundred".