220705330 has 32 divisors (see below), whose sum is σ = 420134400. Its totient is φ = 83244672.

The previous prime is 220705321. The next prime is 220705403. The reversal of 220705330 is 33507022.

It is a happy number.

220705330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39766 + ... + 44974.

It is an arithmetic number, because the mean of its divisors is an integer number (13129200).

Almost surely, 2^220705330 is an apocalyptic number.

220705330 is a deficient number, since it is larger than the sum of its proper divisors (199429070).

220705330 is a wasteful number, since it uses less digits than its factorization.

220705330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 220705330 is about 14856.1546168583. The cubic root of 220705330 is about 604.3255284400.

The spelling of 220705330 in words is "two hundred twenty million, seven hundred five thousand, three hundred thirty".