220515241 has 8 divisors (see below), whose sum is σ = 223736744. Its totient is φ = 217313280.

The previous prime is 220515233. The next prime is 220515247. The reversal of 220515241 is 142515022.

220515241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 70207641 + 150307600 = 8379^2 + 12260^2 .

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 220515241 - 2³ = 220515233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220515247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18661 + ... + 28093.

It is an arithmetic number, because the mean of its divisors is an integer number (27967093).

Almost surely, 2^220515241 is an apocalyptic number.

It is an amenable number.

220515241 is a deficient number, since it is larger than the sum of its proper divisors (3221503).

220515241 is an equidigital number, since it uses as much as digits as its factorization.

220515241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 220515241 is about 14849.7555872142. The cubic root of 220515241 is about 604.1519808548.

The spelling of 220515241 in words is "two hundred twenty million, five hundred fifteen thousand, two hundred forty-one".