220041541 has 4 divisors (see below), whose sum is σ = 222098112. Its totient is φ = 217984972.

The previous prime is 220041509. The next prime is 220041551. The reversal of 220041541 is 145140022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145140022 = 2 ⋅72570011.

It is a cyclic number.

It is not a de Polignac number, because 220041541 - 2⁵ = 220041509 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 (220041551) 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 3 ways as a sum of consecutive naturals, for example, 1028125 + ... + 1028338.

It is an arithmetic number, because the mean of its divisors is an integer number (55524528).

Almost surely, 2^220041541 is an apocalyptic number.

It is an amenable number.

220041541 is a deficient number, since it is larger than the sum of its proper divisors (2056571).

220041541 is a wasteful number, since it uses less digits than its factorization.

220041541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056570.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 220041541 is about 14833.7972549176. The cubic root of 220041541 is about 603.7190675241.

Adding to 220041541 its reverse (145140022), we get a palindrome (365181563).

The spelling of 220041541 in words is "two hundred twenty million, forty-one thousand, five hundred forty-one".