SQL> create table t (col number(10,5));

Table created.

SQL> insert into t values(16089.38);

1 row created.

SQL> create table test (col number(10, 5));

Table created.

SQL> -- A value taken from your example:
SQL>
SQL> insert into test values (220849.73);
insert into test values (220849.73)
                         *
ERROR at line 1:
ORA-01438: value larger than specified precision allowed for this column


SQL> -- Now, a value which is a correct one:
SQL> insert into test values (12345.67899);

1 row created.

SQL>

SQL> insert into test values (1.234566789);

1 row created.

SQL> insert into test values (12345.1234567);

1 row created.

SQL> insert into test values (12345.12);

1 row created.

SQL> insert into test values (123456.12);
insert into test values (123456.12)
                         *
ERROR at line 1:
ORA-01438: value larger than specified precision allowed for this column


SQL> select * From test;

       COL
----------
   1.23457
12345.1235
  12345.12

SQL>