14. (12 points) The six-digit number $20 \square 15 \square$ is divisible by 72. What is this six-digit number?
【Solution】Solution: If the six-digit number $20 \square 15 \square$ can be divided by 72, then the six-digit number $20 \square 15 \square$ can be divided by 8,

then 15 口 can be divided by 8,
so 口 $=2$. Then the six-digit number $20 \square 15 \square$ can be divided by 9, so $2+0+$ 口 $+1+5+2=10+$ 口 can be divided by 9, so 口 $=8$,

so this six-digit number is 208152,
Answer: This six-digit number is 208152.