220440332 has 12 divisors (see below), whose sum is σ = 440880720. Its totient is φ = 94474416.

The previous prime is 220440331. The next prime is 220440347. The reversal of 220440332 is 233044022.

220440332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

220440332 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220440331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3936407 + ... + 3936462.

It is an arithmetic number, because the mean of its divisors is an integer number (36740060).

Almost surely, 2^220440332 is an apocalyptic number.

It is an amenable number.

220440332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220440332 is a wasteful number, since it uses less digits than its factorization.

220440332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872880 (or 7872878 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 220440332 is about 14847.2331429125. The cubic root of 220440332 is about 604.0835629894.

Adding to 220440332 its reverse (233044022), we get a palindrome (453484354).

The spelling of 220440332 in words is "two hundred twenty million, four hundred forty thousand, three hundred thirty-two".