Perfect Square
820972289032996 is a perfect square (28652614 × 28652614)
820,972,289,032,996
Eight hundred and twenty trillion, nine hundred and seventy-two billion, two hundred and eighty-nine million, thirty-two thousand, nine hundred and ninety-six.
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Even
820972289032996 is even
Previous even number is 820972289032994
Next even number is 820972289032998