Try 1200 first. And even that is going to take quite a while.
Reaching level 1000 = total 774K XP
From level 1000 to 1100 = total 575K XP
From level 1100 to 1200 = total 1.5M XP
From level 1900 to 2000 = total 9.5M XP
Total needed (between Level 1000 and 2000) = 50M+ XP.