220541155 has 16 divisors (see below), whose sum is σ = 271355904. Its totient is φ = 171992160.

The previous prime is 220541137. The next prime is 220541159. The reversal of 220541155 is 551145022.

It is not a de Polignac number, because 220541155 - 2¹¹ = 220539107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220541159) 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 15 ways as a sum of consecutive naturals, for example, 61954 + ... + 65416.

It is an arithmetic number, because the mean of its divisors is an integer number (16959744).

Almost surely, 2^220541155 is an apocalyptic number.

220541155 is a deficient number, since it is larger than the sum of its proper divisors (50814749).

220541155 is a wasteful number, since it uses less digits than its factorization.

220541155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 220541155 is about 14850.6281011949. The cubic root of 220541155 is about 604.1756457062.

Adding to 220541155 its reverse (551145022), we get a palindrome (771686177).

The spelling of 220541155 in words is "two hundred twenty million, five hundred forty-one thousand, one hundred fifty-five".