220433255221 has 8 divisors (see below), whose sum is σ = 222494321664. Its totient is φ = 218377272960.

The previous prime is 220433255201. The next prime is 220433255233. The reversal of 220433255221 is 122552334022.

220433255221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220433255221 - 2¹³ = 220433247029 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 (220433255201) 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 7 ways as a sum of consecutive naturals, for example, 1183900 + ... + 1357381.

It is an arithmetic number, because the mean of its divisors is an integer number (27811790208).

Almost surely, 2^220433255221 is an apocalyptic number.

It is an amenable number.

220433255221 is a deficient number, since it is larger than the sum of its proper divisors (2061066443).

220433255221 is a wasteful number, since it uses less digits than its factorization.

220433255221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542091.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 220433255221 its reverse (122552334022), we get a palindrome (342985589243).

The spelling of 220433255221 in words is "two hundred twenty billion, four hundred thirty-three million, two hundred fifty-five thousand, two hundred twenty-one".