220006659 has 16 divisors (see below), whose sum is σ = 305648640. Its totient is φ = 140606880.

The previous prime is 220006651. The next prime is 220006669. The reversal of 220006659 is 956600022.

It is not a de Polignac number, because 220006659 - 2³ = 220006651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220006651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104 + ... + 21005.

It is an arithmetic number, because the mean of its divisors is an integer number (19103040).

Almost surely, 2^220006659 is an apocalyptic number.

220006659 is a deficient number, since it is larger than the sum of its proper divisors (85641981).

220006659 is a wasteful number, since it uses less digits than its factorization.

220006659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22250.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 220006659 is about 14832.6214473369. The cubic root of 220006659 is about 603.6871643945.

The spelling of 220006659 in words is "two hundred twenty million, six thousand, six hundred fifty-nine".