In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the numerical elements in the given list. Return 0 if no numerical element in the list.
['3821', 'F', '621', 'B', 'T', 'N', 'd', '3733', '951', '7513', 'i', 'k', 'a', '9405', 'f', 'v', '857', '8967', '6863', '3739', '5485', '1899']