twenty billion nine hundred ninety nine million nine hundred ninety nine thousand nine hundred eighty five Pronunciation in english(IPA) :
ˈtwɛnti ˈbɪljən nʌɪn ˈhʌndrəd ˈnʌɪnti nʌɪn ˈmɪljən nʌɪn ˈhʌndrəd ˈnʌɪnti nʌɪn ˈθaʊz(ə)nd nʌɪn ˈhʌndrəd ˈeɪtiː fʌɪv