Most of the specs I look at online show the N20 sail area to be 527sq ft or 48.9 sq meters.
Thanks for the correction have to stop referring to it as an Inter 20
Inter 20 Specs Specifications
Length: 6.10 m 20 ft.
Beam: 2.59 m 8′ 6″
Weight: 177 kg 474 lbs.
Sail Area: 45.15 sq m 486 sq. ft