4180220 has 24 divisors (see below), whose sum is σ = 9577008. Its totient is φ = 1520000.

The previous prime is 4180219. The next prime is 4180229. The reversal of 4180220 is 220814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4180229) 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, 9281 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (399042).

Almost surely, 2^4180220 is an apocalyptic number.

It is an amenable number.

4180220 is an abundant number, since it is smaller than the sum of its proper divisors (5396788).

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

4180220 is a wasteful number, since it uses less digits than its factorization.

4180220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19021 (or 19019 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4180220 is about 2044.5586320769. The cubic root of 4180220 is about 161.0891832578.

The spelling of 4180220 in words is "four million, one hundred eighty thousand, two hundred twenty".