我爱吃土豆儿
nine hundred and eighty seven thousand, six hundred and two如不明白请追问,如果满意请【采纳】祝学习进步

三石太保
20,008,602:twenty million,eight thousand,six hundred and two20,080,602:twenty million,eightty thousand,six hundred and two一般是在hundred后加and,当然如果hundred后都是0就不用.20,000,600:twenty million and six hunded
甜甜婉儿
只在每个百位后加上and,其余都不加.英语数字的写法都是从后往前,三位加”,”,所以以”,”为标准很好念.第一个”,”是thousand,第二个是million,第三个是billion比如33,333,333,333thirty three billion,three hundred and thirty three million,three hundred and thirty three thousand, three hundred and thirty three.