Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_20 ( on_site_atms INTEGER, off_site_atms VARCHAR, total_atms VARCHAR )

### Question ###
What is the mean on-site ATMS that have off-site ATMs of 1567, and the total number of ATMs less than 4772?

### Accurate SQL ###

SELECT AVG(on_site_atms) FROM table_name_20 WHERE off_site_atms = 1567 AND total_atms < 4772