220302220 has 12 divisors (see below), whose sum is σ = 462634704. Its totient is φ = 88120880.

The previous prime is 220302217. The next prime is 220302221. The reversal of 220302220 is 22203022.

It is a self number, because there is not a number n which added to its sum of digits gives 220302220.

It is not an unprimeable number, because it can be changed into a prime (220302221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5507536 + ... + 5507575.

It is an arithmetic number, because the mean of its divisors is an integer number (38552892).

Almost surely, 2^220302220 is an apocalyptic number.

220302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220302220 is an abundant number, since it is smaller than the sum of its proper divisors (242332484).

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

220302220 is a wasteful number, since it uses less digits than its factorization.

220302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11015120 (or 11015118 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 220302220 is about 14842.5813118878. The cubic root of 220302220 is about 603.9573782476.

Adding to 220302220 its reverse (22203022), we get a palindrome (242505242).

The spelling of 220302220 in words is "two hundred twenty million, three hundred two thousand, two hundred twenty".