8020281 has 8 divisors (see below), whose sum is σ = 10750464. Its totient is φ = 5318480.

The previous prime is 8020273. The next prime is 8020303. The reversal of 8020281 is 1820208.

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

It is a cyclic number.

It is not a de Polignac number, because 8020281 - 2³ = 8020273 is a prime.

It is a super-2 number, since 2×8020281² = 128649814637922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8020241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6426 + ... + 7571.

It is an arithmetic number, because the mean of its divisors is an integer number (1343808).

Almost surely, 2^8020281 is an apocalyptic number.

It is an amenable number.

8020281 is a deficient number, since it is larger than the sum of its proper divisors (2730183).

8020281 is a wasteful number, since it uses less digits than its factorization.

8020281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14191.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 8020281 is about 2832.0100635414. The cubic root of 8020281 is about 200.1688657151.

Adding to 8020281 its reverse (1820208), we get a palindrome (9840489).

The spelling of 8020281 in words is "eight million, twenty thousand, two hundred eighty-one".