20220000122200 has 96 divisors (see below), whose sum is σ = 47808037589760. Its totient is φ = 7951441449600.

The previous prime is 20220000122177. The next prime is 20220000122209. The reversal of 20220000122200 is 222100002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220000122209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5240245 + ... + 8240155.

It is an arithmetic number, because the mean of its divisors is an integer number (498000391560).

Almost surely, 2^{20220000122200} is an apocalyptic number.

20220000122200 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 20220000122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23904018794880).

20220000122200 is an abundant number, since it is smaller than the sum of its proper divisors (27588037467560).

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

20220000122200 is a wasteful number, since it uses less digits than its factorization.

20220000122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000497 (or 3000488 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20220000122200 its reverse (222100002202), we get a palindrome (20442100124402).

The spelling of 20220000122200 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-two thousand, two hundred".