4321220205 has 32 divisors (see below), whose sum is σ = 6965084160. Its totient is φ = 2287656000.

The previous prime is 4321220203. The next prime is 4321220209. The reversal of 4321220205 is 5020221234.

It is not a de Polignac number, because 4321220205 - 2¹ = 4321220203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321220203) 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 31 ways as a sum of consecutive naturals, for example, 2015364 + ... + 2017506.

It is an arithmetic number, because the mean of its divisors is an integer number (217658880).

Almost surely, 2^4321220205 is an apocalyptic number.

It is an amenable number.

4321220205 is a deficient number, since it is larger than the sum of its proper divisors (2643863955).

4321220205 is a wasteful number, since it uses less digits than its factorization.

4321220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4321220205 is about 65735.9886591812. The cubic root of 4321220205 is about 1628.8038956122.

Adding to 4321220205 its reverse (5020221234), we get a palindrome (9341441439).

The spelling of 4321220205 in words is "four billion, three hundred twenty-one million, two hundred twenty thousand, two hundred five".