8065220 has 12 divisors (see below), whose sum is σ = 16937004. Its totient is φ = 3226080.

The previous prime is 8065201. The next prime is 8065229. The reversal of 8065220 is 225608.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6390784 + 1674436 = 2528^2 + 1294^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8065229) 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, 201611 + ... + 201650.

It is an arithmetic number, because the mean of its divisors is an integer number (1411417).

Almost surely, 2^8065220 is an apocalyptic number.

It is an amenable number.

8065220 is an abundant number, since it is smaller than the sum of its proper divisors (8871784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8065220 is a wasteful number, since it uses less digits than its factorization.

8065220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403270 (or 403268 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 8065220 is about 2839.9330978035. The cubic root of 8065220 is about 200.5420296920.

The spelling of 8065220 in words is "eight million, sixty-five thousand, two hundred twenty".