220220102220 has 48 divisors (see below), whose sum is σ = 652887835488. Its totient is φ = 55270927360.

The previous prime is 220220102213. The next prime is 220220102239. The reversal of 220220102220 is 22201022022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220220102220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107950011 + ... + 107952050.

It is an arithmetic number, because the mean of its divisors is an integer number (13601829906).

Almost surely, 2^220220102220 is an apocalyptic number.

220220102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220102220 is an abundant number, since it is smaller than the sum of its proper divisors (432667733268).

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

220220102220 is a wasteful number, since it uses less digits than its factorization.

220220102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215902090 (or 215902088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220220102220 its reverse (22201022022), we get a palindrome (242421124242).

The spelling of 220220102220 in words is "two hundred twenty billion, two hundred twenty million, one hundred two thousand, two hundred twenty".