220220221100 has 72 divisors (see below), whose sum is σ = 538138223616. Its totient is φ = 77496840000.

The previous prime is 220220221087. The next prime is 220220221127. The reversal of 220220221100 is 1122022022.

220220221100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3194936 + ... + 3263135.

Almost surely, 2^220220221100 is an apocalyptic number.

220220221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220221100 is an abundant number, since it is smaller than the sum of its proper divisors (317918002516).

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

220220221100 is a wasteful number, since it uses less digits than its factorization.

220220221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458127 (or 6458120 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220220221100 its reverse (1122022022), we get a palindrome (221342243122).

The spelling of 220220221100 in words is "two hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, one hundred".