Lipitor 20mg is a prescription medication containing atorvastatin, manufactured by Pfizer. Each pack contains 30 film-coated tablets with 20mg of atorvastatin per tablet. It belongs to a class of drugs known as statins. This medication comes in the form of film-coated tablets packaged in a box of 30 tablets. Each tablet contains 20mg of the active ingredient atorvastatin. As this is a prescription medication, it should only be taken under the direction and supervision of a healthcare provider.