220443005 has 16 divisors (see below), whose sum is σ = 267836544. Its totient is φ = 174162240.

The previous prime is 220442987. The next prime is 220443011. The reversal of 220443005 is 500344022.

It is not a de Polignac number, because 220443005 - 2¹⁰ = 220441981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337259 + ... + 337911.

It is an arithmetic number, because the mean of its divisors is an integer number (16739784).

Almost surely, 2^220443005 is an apocalyptic number.

It is an amenable number.

220443005 is a deficient number, since it is larger than the sum of its proper divisors (47393539).

220443005 is a wasteful number, since it uses less digits than its factorization.

220443005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 220443005 is about 14847.3231594116. The cubic root of 220443005 is about 604.0860046310.

Adding to 220443005 its reverse (500344022), we get a palindrome (720787027).

The spelling of 220443005 in words is "two hundred twenty million, four hundred forty-three thousand, five".