220222222120 has 64 divisors (see below), whose sum is σ = 524789467920. Its totient is φ = 82884685824.

The previous prime is 220222222063. The next prime is 220222222123. The reversal of 220222222120 is 21222222022.

It can be written as a sum of positive squares in 8 ways, for example, as 185886873316 + 34335348804 = 431146^2 + 185298^2 .

It is not an unprimeable number, because it can be changed into a prime (220222222123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2578014 + ... + 2662066.

Almost surely, 2^220222222120 is an apocalyptic number.

220222222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222222120 is an abundant number, since it is smaller than the sum of its proper divisors (304567245800).

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

220222222120 is a wasteful number, since it uses less digits than its factorization.

220222222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87934 (or 87930 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220222222120 its reverse (21222222022), we get a palindrome (241444444142).

The spelling of 220222222120 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty".