The two will attend the annual Iftar Dinner on Wednesday night celebrating the Islamic holy month of Ramadan.
Arizona's Abdullah said he was stunned and initially thought the invitation was a fake. He called it a "humbling experience" and looked forward to shaking the president's hand.
He called Obama "a stand-up guy" who is "for equality, regardless of ethnicity, religious background or class."
Copyright 2011 by The Associated Press