Danish rookie Kevin Magnussen is latest Formula One driver to admit that he would prefer a permanent car number.
The McLaren driver took to Twitter to reveal his preference, the day after the Woking outfit revealed that their 2014 car will be revealed to the public four days before the pre-season testing session at Jerez.
"Here's some news: my driver number will be 20 this year, which I won the Formula Renault 3.5 Series title with last year," the 21-year-old said.
Earlier, Lotus driver Romain Grosjean revealed that he would like to keep the number eight, while 29 and 11 were his other favourites.
It is thought that Kimi Raikkonen and Jules Bianchi both prefer the number seven, while Sergio Perez favours number 11 as well.
Raikkonen's Ferrari team-mate Fernando Alonso prefers number 14 and Nico Rosberg is hopeful being allowed number six.
Other drivers to have confirmed their choices are Felipe Massa (19), Valteri Bottas (77) and Jean-Éric Vergne (25)