200022111220 has 72 divisors (see below), whose sum is σ = 436989256704. Its totient is φ = 76902064512.

The previous prime is 200022111209. The next prime is 200022111221. The reversal of 200022111220 is 22111220002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 200022111220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022111221) 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, 3724197 + ... + 3777523.

It is an arithmetic number, because the mean of its divisors is an integer number (6069295232).

Almost surely, 2^200022111220 is an apocalyptic number.

200022111220 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 200022111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218494628352).

200022111220 is an abundant number, since it is smaller than the sum of its proper divisors (236967145484).

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

200022111220 is a wasteful number, since it uses less digits than its factorization.

200022111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53617 (or 53586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200022111220 its reverse (22111220002), we get a palindrome (222133331222).

The spelling of 200022111220 in words is "two hundred billion, twenty-two million, one hundred eleven thousand, two hundred twenty".