twenty-four vs 24

twenty-four and 24 both are nouns.

Word	Noun	Adjective	Verb	Adverb
twenty-four	Yes	Yes	No	No
24	Yes	Yes	No	No

As adjectives, twenty-four and 24 are synonyms defined as:

Other synonyms of twenty-four include xxiv.

As nouns, twenty-four and 24 are synonyms defined as:

twenty-four and 24: the cardinal number that is the sum of twenty-three and one

Other synonyms of twenty-four include two dozen, XXIV.

twenty-four (noun)	24 (noun)
the cardinal number that is the sum of twenty-three and one	the cardinal number that is the sum of twenty-three and one

twenty-four (adjective)	24 (adjective)
being four more than twenty	being four more than twenty