220341220 has 24 divisors (see below), whose sum is σ = 504782208. Its totient is φ = 80124000.

The previous prime is 220341203. The next prime is 220341221. The reversal of 220341220 is 22143022.

It is a junction number, because it is equal to n+sod(n) for n = 220341194 and 220341203.

It is not an unprimeable number, because it can be changed into a prime (220341221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500556 + ... + 500995.

It is an arithmetic number, because the mean of its divisors is an integer number (21032592).

Almost surely, 2^220341220 is an apocalyptic number.

220341220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220341220 is an abundant number, since it is smaller than the sum of its proper divisors (284440988).

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

220341220 is a wasteful number, since it uses less digits than its factorization.

220341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001571 (or 1001569 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220341220 is about 14843.8950413966. The cubic root of 220341220 is about 603.9930155764.

Adding to 220341220 its reverse (22143022), we get a palindrome (242484242).

The spelling of 220341220 in words is "two hundred twenty million, three hundred forty-one thousand, two hundred twenty".