220244134221 has 12 divisors (see below), whose sum is σ = 328392688000. Its totient is φ = 142092989640.

The previous prime is 220244134211. The next prime is 220244134237. The reversal of 220244134221 is 122431442022.

It is a happy number.

220244134221 is a `hidden beast` number, since 2 + 2 + 0 + 24 + 413 + 4 + 221 = 666.

220244134221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220244134221 - 2¹⁸ = 220243872077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220244134211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394702471 + ... + 394703028.

Almost surely, 2^220244134221 is an apocalyptic number.

It is an amenable number.

220244134221 is a deficient number, since it is larger than the sum of its proper divisors (108148553779).

220244134221 is a wasteful number, since it uses less digits than its factorization.

220244134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789405536 (or 789405533 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 220244134221 its reverse (122431442022), we get a palindrome (342675576243).

The spelling of 220244134221 in words is "two hundred twenty billion, two hundred forty-four million, one hundred thirty-four thousand, two hundred twenty-one".