220353385 has 8 divisors (see below), whose sum is σ = 302198976. Its totient is φ = 151099440.

The previous prime is 220353361. The next prime is 220353401. The reversal of 220353385 is 583353022.

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

It is a de Polignac number, because none of the positive numbers 2^k-220353385 is a prime.

It is a super-2 number, since 2×220353385² = 97111228561916450, which contains 22 as substring.

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, 3147871 + ... + 3147940.

It is an arithmetic number, because the mean of its divisors is an integer number (37774872).

Almost surely, 2^220353385 is an apocalyptic number.

It is an amenable number.

220353385 is a deficient number, since it is larger than the sum of its proper divisors (81845591).

220353385 is an equidigital number, since it uses as much as digits as its factorization.

220353385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295823.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 220353385 is about 14844.3048001582. The cubic root of 220353385 is about 604.0041308213.

The spelling of 220353385 in words is "two hundred twenty million, three hundred fifty-three thousand, three hundred eighty-five".