Of the total, four were imported, down from eight on the previous day, the National Health Commission said in its daily bulletin.
There were seven cases of local infection, including six in the northeastern border province of Heilongjiang and one in the southern province of Guangdong.
China also reported 37 new asymptomatic coronavirus cases on the mainland on April 20, compared to 49 a day earlier.Mainland China now has an accumulated total of 82,758 cases and 4,632 deaths as of the end of April 20.