220430053 has 8 divisors (see below), whose sum is σ = 227171448. Its totient is φ = 213729984.

The previous prime is 220430051. The next prime is 220430099. The reversal of 220430053 is 350034022.

It can be written as a sum of positive squares in 4 ways, for example, as 191075329 + 29354724 = 13823^2 + 5418^2 .

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 220430053 - 2¹ = 220430051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220430053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220430051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675 + ... + 21007.

It is an arithmetic number, because the mean of its divisors is an integer number (28396431).

Almost surely, 2^220430053 is an apocalyptic number.

It is an amenable number.

220430053 is a deficient number, since it is larger than the sum of its proper divisors (6741395).

220430053 is a wasteful number, since it uses less digits than its factorization.

220430053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 220430053 is about 14846.8869801046. The cubic root of 220430053 is about 604.0741734925.

Adding to 220430053 its reverse (350034022), we get a palindrome (570464075).

The spelling of 220430053 in words is "two hundred twenty million, four hundred thirty thousand, fifty-three".