20222222200 has 24 divisors (see below), whose sum is σ = 47016667080. Its totient is φ = 8088888800.

The previous prime is 20222222113. The next prime is 20222222213. The reversal of 20222222200 is 222222202.

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 5 ways as a sum of consecutive naturals, for example, 50555356 + ... + 50555755.

It is an arithmetic number, because the mean of its divisors is an integer number (1959027795).

Almost surely, 2^20222222200 is an apocalyptic number.

20222222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222222200 is an abundant number, since it is smaller than the sum of its proper divisors (26794444880).

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

20222222200 is a wasteful number, since it uses less digits than its factorization.

20222222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111127 (or 101111118 counting only the distinct ones).

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

Adding to 20222222200 its reverse (222222202), we get a palindrome (20444444402).

It can be divided in two parts, 202222 and 22200, that added together give a palindrome (224422).

The spelling of 20222222200 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred".