820286204 has 24 divisors (see below), whose sum is σ = 1463011200. Its totient is φ = 402313520.

The previous prime is 820286177. The next prime is 820286279. The reversal of 820286204 is 402682028.

It is a happy number.

820286204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112337 + ... + 119415.

It is an arithmetic number, because the mean of its divisors is an integer number (60958800).

Almost surely, 2^820286204 is an apocalyptic number.

It is an amenable number.

820286204 is a deficient number, since it is larger than the sum of its proper divisors (642724996).

820286204 is a wasteful number, since it uses less digits than its factorization.

820286204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633 (or 7631 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 820286204 is about 28640.6390291837. The cubic root of 820286204 is about 936.0990456344.

The spelling of 820286204 in words is "eight hundred twenty million, two hundred eighty-six thousand, two hundred four".