| XX | being nine more than twenty |
|---|---|
| XX | the cardinal number that is the sum of twenty-four and one |
| XX | being five more than twenty |
| XX | the cardinal number that is the sum of twenty-five and one |
| XX | being six more than twenty |
| XX | the cardinal number that is the sum of twenty-six and one |
| XX | being seven more than twenty |
| XX | the cardinal number that is the sum of twenty-seven and one |
| XX | being eight more than twenty |
| XX | (genetics) abnormal complement of three X chromosomes in a female |
| XX | the cardinal number that is the product of ten and three |
| XX | being ten more than twenty |