20568241 has 8 divisors (see below), whose sum is σ = 21708000. Its totient is φ = 19434240.

The previous prime is 20568227. The next prime is 20568253. The reversal of 20568241 is 14286502.

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 20568241 - 2⁵ = 20568209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20568211) 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 7 ways as a sum of consecutive naturals, for example, 7326 + ... + 9736.

It is an arithmetic number, because the mean of its divisors is an integer number (2713500).

Almost surely, 2^20568241 is an apocalyptic number.

It is an amenable number.

20568241 is a deficient number, since it is larger than the sum of its proper divisors (1139759).

20568241 is a wasteful number, since it uses less digits than its factorization.

20568241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 20568241 is about 4535.2222657771. Note that the first 4 decimals coincide. The cubic root of 20568241 is about 273.9885311412.

It can be divided in two parts, 205 and 68241, that multiplied together give a triangular number (13989405 = T₅₂₈₉).

The spelling of 20568241 in words is "twenty million, five hundred sixty-eight thousand, two hundred forty-one".