22020020222200 has 864 divisors, whose sum is σ = 71199985409280. Its totient is φ = 6272259840000.

The previous prime is 22020020222159. The next prime is 22020020222267. The reversal of 22020020222200 is 222202002022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1556948329 + ... + 1556962471.

It is an arithmetic number, because the mean of its divisors is an integer number (82407390520).

Almost surely, 2^{22020020222200} is an apocalyptic number.

22020020222200 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 22020020222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35599992704640).

22020020222200 is an abundant number, since it is smaller than the sum of its proper divisors (49179965187080).

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

22020020222200 is a wasteful number, since it uses less digits than its factorization.

22020020222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14309 (or 14282 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22020020222200 its reverse (222202002022), we get a palindrome (22242222224222).

The spelling of 22020020222200 in words is "twenty-two trillion, twenty billion, twenty million, two hundred twenty-two thousand, two hundred".