80021332 has 12 divisors (see below), whose sum is σ = 140111860. Its totient is φ = 39989376.

The previous prime is 80021317. The next prime is 80021377. The reversal of 80021332 is 23312008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40908816 + 39112516 = 6396^2 + 6254^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5644 + ... + 13852.

Almost surely, 2^80021332 is an apocalyptic number.

It is an amenable number.

80021332 is a deficient number, since it is larger than the sum of its proper divisors (60090528).

80021332 is a wasteful number, since it uses less digits than its factorization.

80021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650 (or 10648 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 80021332 is about 8945.4643255675. The cubic root of 80021332 is about 430.9252332701.

The spelling of 80021332 in words is "eighty million, twenty-one thousand, three hundred thirty-two".