Myriapods
Myriapods have 20 or more legs.
Think of a group of mirrors (myriapods) with lots of legs, playing in a football match, all hoping to score (score is an old word for the number 20)
Example of myriapod
Stone centipede (myriapod)
Stone centipedes get their name from their habit of hiding under stones.
Number of legs: 30