220255641 has 12 divisors (see below), whose sum is σ = 318316180. Its totient is φ = 146759040.

The previous prime is 220255639. The next prime is 220255643. The reversal of 220255641 is 146552022.

It is an interprime number because it is at equal distance from previous prime (220255639) and next prime (220255643).

It can be written as a sum of positive squares in 2 ways, for example, as 148937616 + 71318025 = 12204^2 + 8445^2 .

It is not a de Polignac number, because 220255641 - 2¹ = 220255639 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220255643) 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 11 ways as a sum of consecutive naturals, for example, 15165 + ... + 25893.

Almost surely, 2^220255641 is an apocalyptic number.

It is an amenable number.

220255641 is a deficient number, since it is larger than the sum of its proper divisors (98060539).

220255641 is a wasteful number, since it uses less digits than its factorization.

220255641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13016 (or 13013 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 220255641 is about 14841.0121285578. The cubic root of 220255641 is about 603.9148098862.

The spelling of 220255641 in words is "two hundred twenty million, two hundred fifty-five thousand, six hundred forty-one".