8030820 has 48 divisors (see below), whose sum is σ = 25699968. Its totient is φ = 1835520.

The previous prime is 8030819. The next prime is 8030849. The reversal of 8030820 is 280308.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9141 + ... + 9980.

It is an arithmetic number, because the mean of its divisors is an integer number (535416).

Almost surely, 2^8030820 is an apocalyptic number.

It is an amenable number.

8030820 is an abundant number, since it is smaller than the sum of its proper divisors (17669148).

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

8030820 is a wasteful number, since it uses less digits than its factorization.

8030820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19140 (or 19138 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 8030820 is about 2833.8701452254. The cubic root of 8030820 is about 200.2565042206.

The spelling of 8030820 in words is "eight million, thirty thousand, eight hundred twenty".