20560241 has 8 divisors (see below), whose sum is σ = 22188264. Its totient is φ = 18938880.

The previous prime is 20560213. The next prime is 20560247. The reversal of 20560241 is 14206502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3783025 + 16777216 = 1945^2 + 4096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20560241 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 (20560247) 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, 6131 + ... + 8871.

It is an arithmetic number, because the mean of its divisors is an integer number (2773533).

Almost surely, 2^20560241 is an apocalyptic number.

It is an amenable number.

20560241 is a deficient number, since it is larger than the sum of its proper divisors (1628023).

20560241 is a wasteful number, since it uses less digits than its factorization.

20560241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20560241 is about 4534.3401945597. The cubic root of 20560241 is about 273.9530039987.

Adding to 20560241 its reverse (14206502), we get a palindrome (34766743).

The spelling of 20560241 in words is "twenty million, five hundred sixty thousand, two hundred forty-one".