The numbers 302 and 320 have nearly identical meanings.

They relate to the expression of person freedom (which is very like the numerological essence of the number 5, one of your challenge numbers).

302 and 320 also contain the essence of creative expression. Thus, the primary vibration of those numbers is the creative expression of personal freedom.

They both also have some essence of cooperation and teamwork. The number 320 just a bit more than the number 302. This is where their meanings are slightly different. But in the primary essence of the number, creative expression of personal freedom, they are identical.

Other than the challenge number already mentioned, I don't see either the number 302 or 320 related to your numerology chart. Avail yourself of the articles related to seeing the same number or set of numbers over and over again. They may help you determine the indication of this for yourself.