8069820 has 48 divisors (see below), whose sum is σ = 24651648. Its totient is φ = 1956160.

The previous prime is 8069797. The next prime is 8069861. The reversal of 8069820 is 289608.

8069820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5454 + ... + 6773.

It is an arithmetic number, because the mean of its divisors is an integer number (513576).

Almost surely, 2^8069820 is an apocalyptic number.

It is an amenable number.

8069820 is an abundant number, since it is smaller than the sum of its proper divisors (16581828).

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

8069820 is a wasteful number, since it uses less digits than its factorization.

8069820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12250 (or 12248 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8069820 is about 2840.7428605912. The cubic root of 8069820 is about 200.5801488427.

The spelling of 8069820 in words is "eight million, sixty-nine thousand, eight hundred twenty".