0 nought;zero;O

1 one

2 two

3 three

4 four

5 five

6 six

7 seven

8 eight

9 nine

10 ten

11 eleven

12 twelve

13 thirteen

14 fourteen

15 fifteen

16 sixteen

17 seventeen

18 eighteen

19 nineteen

20 twenty21 twenty-one

22 twenty-two

23 twenty-three

30 thirty

32 thirty-two

40 forty

50 fifty

60 sixty

70 seventy

80 eighty

90 ninety

100 one hundred

101 one hundred and one

156 one hundred and fifty-six

192 one hundred and ninty-two

200 two hundred

300 three hundred

400 four hundred

500 five hundred

600 six hundred

700 seven hundred

800 eight hundred

900 nine hundred

1,000 one thousand

1,001 one thousand and one

1,300 thirteen hundred;one thousand and three hundred

2,000 two thousand

2,034 two thousand and thirty-four

6,502 six thousand five hundred and two

38,000 thirty-eight thousand

45,672 forty-five thousand six hundred and seventy-two

500,000 five hundred thousand

1,000,000 one million

3,123,400 three million,one hundred and twenty-three thousand and four hundred

8,000,000 eight million

47,000,000 forty-seven million

900,000,000 nine hundred million

1,000,000,000 a milliard,one milliard（美作：a billion,one billion）

1,050,000,000 one billion and fifty million

10,000,000,000 ten billion

200,000,000,000 two hundred billion

1,000,000,000,000 a billion,one billion（美作：a trillion,one trillion）

6,000,000,000,000 six million million