text: module.exports = function toReadable (number) {
  
    let arr = ['', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten', 
    'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen', 'twenty'];
  
    let arr2 = ['', '', 'twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety'];
  
    let str = number.toString();
    
    let res = '';
    if (number >= 0 && number <= 20)  res = arr[number];
    if (number >= 21 && number < 100) res = arr2[str[0]] + ' ' + arr[str[1]];
    if (number >= 100) {
      res = arr[str[0]] + ' hundred ';
      let n = number % 100;
  
      if (n >= 0 && n <= 20)  res = res + arr[n];
      if (n >= 21 && n < 100) res = res + arr2[str[1]] + ' ' + arr[str[2]];
    };
  
    return (res=='')? 'zero' : res.trim();
    
  }
  