220464712 has 32 divisors (see below), whose sum is σ = 447161400. Its totient is φ = 101297664.

The previous prime is 220464707. The next prime is 220464731. The reversal of 220464712 is 217464022.

It is a happy number.

220464712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 151142436 + 69322276 = 12294^2 + 8326^2 .

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, 19188 + ... + 28444.

Almost surely, 2^220464712 is an apocalyptic number.

It is an amenable number.

220464712 is an abundant number, since it is smaller than the sum of its proper divisors (226696688).

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

220464712 is a wasteful number, since it uses less digits than its factorization.

220464712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505 (or 9501 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 220464712 is about 14848.0541486082. The cubic root of 220464712 is about 604.1058320757.

The spelling of 220464712 in words is "two hundred twenty million, four hundred sixty-four thousand, seven hundred twelve".