20580241 has 8 divisors (see below), whose sum is σ = 22819968. Its totient is φ = 18402000.

The previous prime is 20580229. The next prime is 20580247. The reversal of 20580241 is 14208502.

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 20580241 - 2⁷ = 20580113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20580247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14665 + ... + 16006.

It is an arithmetic number, because the mean of its divisors is an integer number (2852496).

Almost surely, 2^20580241 is an apocalyptic number.

It is an amenable number.

20580241 is a deficient number, since it is larger than the sum of its proper divisors (2239727).

20580241 is a wasteful number, since it uses less digits than its factorization.

20580241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30743.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 20580241 is about 4536.5450510273. The cubic root of 20580241 is about 274.0418045864.

Adding to 20580241 its reverse (14208502), we get a palindrome (34788743).

The spelling of 20580241 in words is "twenty million, five hundred eighty thousand, two hundred forty-one".