220853505 has 8 divisors (see below), whose sum is σ = 353365632. Its totient is φ = 117788528.

The previous prime is 220853497. The next prime is 220853509. The reversal of 220853505 is 505358022.

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 220853505 - 2³ = 220853497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220853509) by changing a digit.

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, 7361769 + ... + 7361798.

It is an arithmetic number, because the mean of its divisors is an integer number (44170704).

Almost surely, 2^220853505 is an apocalyptic number.

It is an amenable number.

220853505 is a deficient number, since it is larger than the sum of its proper divisors (132512127).

220853505 is a wasteful number, since it uses less digits than its factorization.

220853505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14723575.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 220853505 is about 14861.1407704792. The cubic root of 220853505 is about 604.4607402526.

The spelling of 220853505 in words is "two hundred twenty million, eight hundred fifty-three thousand, five hundred five".