3208440220 has 12 divisors (see below), whose sum is σ = 6737724504. Its totient is φ = 1283376080.

The previous prime is 3208440217. The next prime is 3208440233. The reversal of 3208440220 is 220448023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80210986 + ... + 80211025.

It is an arithmetic number, because the mean of its divisors is an integer number (561477042).

Almost surely, 2^3208440220 is an apocalyptic number.

It is an amenable number.

3208440220 is an abundant number, since it is smaller than the sum of its proper divisors (3529284284).

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

3208440220 is a wasteful number, since it uses less digits than its factorization.

3208440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160422020 (or 160422018 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 3208440220 is about 56643.0950778645. The cubic root of 3208440220 is about 1474.9070469049.

Adding to 3208440220 its reverse (220448023), we get a palindrome (3428888243).

The spelling of 3208440220 in words is "three billion, two hundred eight million, four hundred forty thousand, two hundred twenty".