8099020 has 12 divisors (see below), whose sum is σ = 17007984. Its totient is φ = 3239600.

The previous prime is 8099011. The next prime is 8099023. The reversal of 8099020 is 209908.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8099020.

It is not an unprimeable number, because it can be changed into a prime (8099023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202456 + ... + 202495.

It is an arithmetic number, because the mean of its divisors is an integer number (1417332).

Almost surely, 2^8099020 is an apocalyptic number.

It is an amenable number.

8099020 is an abundant number, since it is smaller than the sum of its proper divisors (8908964).

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

8099020 is a wasteful number, since it uses less digits than its factorization.

8099020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404960 (or 404958 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 8099020 is about 2845.8777204933. The cubic root of 8099020 is about 200.8217853858.

The spelling of 8099020 in words is "eight million, ninety-nine thousand, twenty".