220308220 has 24 divisors (see below), whose sum is σ = 504706608. Its totient is φ = 80112000.

The previous prime is 220308203. The next prime is 220308229. The reversal of 220308220 is 22803022.

220308220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220308229) 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, 500481 + ... + 500920.

It is an arithmetic number, because the mean of its divisors is an integer number (21029442).

Almost surely, 2^220308220 is an apocalyptic number.

220308220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220308220 is an abundant number, since it is smaller than the sum of its proper divisors (284398388).

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

220308220 is a wasteful number, since it uses less digits than its factorization.

220308220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001421 (or 1001419 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 220308220 is about 14842.7834316883. The cubic root of 220308220 is about 603.9628611874.

The spelling of 220308220 in words is "two hundred twenty million, three hundred eight thousand, two hundred twenty".