If i were married 20yrs.. got divorce.. never remarried.he never remarried . he,passed away 7yrs ago.. he worked 35yrs at a job.. im now 60.. not married.. am i intitled full ss for the 20yrs we were married

Only if he was your 1,2,3,4, or 5 Husband and you was at lest married to him for 10 years!

I married in 1984 but were together since 1078 had 4 kids which ALL of them are Adults now, he became disabled in 2004, but we got divorced in 2018, and before then I got Parkinson's disease, and got medical disabled I'm going to be 62 in the next 4 months, can I get benefits through hes social security??

Yes

You'd be entitled to widow's benefits at age 60