220207220 has 48 divisors (see below), whose sum is σ = 474405120. Its totient is φ = 85820544.

The previous prime is 220207219. The next prime is 220207223. The reversal of 220207220 is 22702022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220207223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297611 + ... + 298349.

It is an arithmetic number, because the mean of its divisors is an integer number (9883440).

Almost surely, 2^220207220 is an apocalyptic number.

220207220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220207220 is an abundant number, since it is smaller than the sum of its proper divisors (254197900).

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

220207220 is a wasteful number, since it uses less digits than its factorization.

220207220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 220207220 is about 14839.3807148412. The cubic root of 220207220 is about 603.8705517656.

Adding to 220207220 its reverse (22702022), we get a palindrome (242909242).

The spelling of 220207220 in words is "two hundred twenty million, two hundred seven thousand, two hundred twenty".