"LT" is the designation for just the sink. "LPT" is the designation for the pedestal and the sink.
The LPT532 is 34-3/8 inches high.
This model is for a centerset faucet, the .8 means it's an 8 inch center or widespread set up.
The Toto LT532N Promenade sink is 24" wide and 19 1/4" long.