80021282 has 8 divisors (see below), whose sum is σ = 130943952. Its totient is φ = 36373300.

The previous prime is 80021281. The next prime is 80021297. The reversal of 80021282 is 28212008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×80021282³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80021281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818644 + ... + 1818687.

It is an arithmetic number, because the mean of its divisors is an integer number (16367994).

Almost surely, 2^80021282 is an apocalyptic number.

80021282 is a deficient number, since it is larger than the sum of its proper divisors (50922670).

80021282 is a wasteful number, since it uses less digits than its factorization.

80021282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637344.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 80021282 is about 8945.4615308546. The cubic root of 80021282 is about 430.9251435179.

The spelling of 80021282 in words is "eighty million, twenty-one thousand, two hundred eighty-two".