Suppose Michael Phelps (born June 30, 1985) is an American former competitive swimmer and the most decorated Olympian of all time, with a total of 28 medals. He holds the all-time records for Olympic gold medals (23), Olympic gold medals in individual events (13), and Olympic medals in individual events (16). Phelps retired from competitive swimming after the 2016 Summer Olympics.
Can we infer that "Michael Phelps won a total of 20 Olympic medals."?