8020066 has 16 divisors (see below), whose sum is σ = 12684600. Its totient is φ = 3797248.

The previous prime is 8020049. The next prime is 8020069. The reversal of 8020066 is 6600208.

It can be written as a sum of positive squares in 4 ways, for example, as 7425625 + 594441 = 2725^2 + 771^2 .

It is not an unprimeable number, because it can be changed into a prime (8020069) 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, 1770 + ... + 4378.

Almost surely, 2^8020066 is an apocalyptic number.

8020066 is a deficient number, since it is larger than the sum of its proper divisors (4664534).

8020066 is a wasteful number, since it uses less digits than its factorization.

8020066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 8020066 is about 2831.9721043824. The cubic root of 8020066 is about 200.1670770541.

The spelling of 8020066 in words is "eight million, twenty thousand, sixty-six".