220350385 has 8 divisors (see below), whose sum is σ = 264522240. Its totient is φ = 176212464.

The previous prime is 220350349. The next prime is 220350401. The reversal of 220350385 is 583053022.

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

It is a cyclic number.

It is not a de Polignac number, because 220350385 - 2⁷ = 220350257 is a prime.

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, 9136 + ... + 22894.

It is an arithmetic number, because the mean of its divisors is an integer number (33065280).

Almost surely, 2^220350385 is an apocalyptic number.

It is an amenable number.

220350385 is a deficient number, since it is larger than the sum of its proper divisors (44171855).

220350385 is a wasteful number, since it uses less digits than its factorization.

220350385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 220350385 is about 14844.2037509595. The cubic root of 220350385 is about 604.0013897385.

The spelling of 220350385 in words is "two hundred twenty million, three hundred fifty thousand, three hundred eighty-five".