Twentieth, which is the way you have it, is the correct spelling, as in the 20th of January.
The ordinal numeral 20th is spelled twentieth.
The correct spelling is twentieth.An example sentence is "for the twentieth time, spell the word correctly!"
that is the correct way to spell forgery
The correct way to spell "a lot" is "allot."
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The correct way to spell "councillor" is with two L's.
The correct way to spell "pianos" is P-I-A-N-O-S.
the the correct way is regally
The correct way to spell 88 is "eighty-eight."
The correct way to spell it is "knowledge."
that is the right way to spell it
Psychologist is the correct way to spell it...