220000220 has 48 divisors (see below), whose sum is σ = 509042016. Its totient is φ = 79200000.

The previous prime is 220000201. The next prime is 220000237. The reversal of 220000220 is 22000022.

It is a junction number, because it is equal to n+sod(n) for n = 220000198 and 220000207.

It is a congruent number.

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, 17270 + ... + 27170.

It is an arithmetic number, because the mean of its divisors is an integer number (10605042).

Almost surely, 2^220000220 is an apocalyptic number.

220000220 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 220000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254521008).

220000220 is an abundant number, since it is smaller than the sum of its proper divisors (289041796).

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

220000220 is a wasteful number, since it uses less digits than its factorization.

220000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022 (or 10020 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 220000220 is about 14832.4043903880. The cubic root of 220000220 is about 603.6812749067.

Adding to 220000220 its reverse (22000022), we get a palindrome (242000242).

It can be divided in two parts, 2200002 and 20, that added together give a palindrome (2200022).

The spelling of 220000220 in words is "two hundred twenty million, two hundred twenty", and thus it is an aban number.