220661035 has 8 divisors (see below), whose sum is σ = 302620896. Its totient is φ = 151310400.

The previous prime is 220661009. The next prime is 220661059. The reversal of 220661035 is 530166022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220661035 - 2¹⁵ = 220628267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3152266 + ... + 3152335.

It is an arithmetic number, because the mean of its divisors is an integer number (37827612).

Almost surely, 2^220661035 is an apocalyptic number.

220661035 is a deficient number, since it is larger than the sum of its proper divisors (81959861).

220661035 is an equidigital number, since it uses as much as digits as its factorization.

220661035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304613.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 220661035 is about 14854.6637457736. The cubic root of 220661035 is about 604.2850968681.

The spelling of 220661035 in words is "two hundred twenty million, six hundred sixty-one thousand, thirty-five".