220609880 has 32 divisors (see below), whose sum is σ = 497826000. Its totient is φ = 87985536.

The previous prime is 220609871. The next prime is 220609891. The reversal of 220609880 is 88906022.

220609880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220609880² = 97337438307228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220609880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6059 + ... + 21861.

Almost surely, 2^220609880 is an apocalyptic number.

220609880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220609880 is an abundant number, since it is smaller than the sum of its proper divisors (277216120).

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

220609880 is a wasteful number, since it uses less digits than its factorization.

220609880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16163 (or 16159 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 220609880 is about 14852.9417961561. The cubic root of 220609880 is about 604.2383968950.

The spelling of 220609880 in words is "two hundred twenty million, six hundred nine thousand, eight hundred eighty".