5205820 has 24 divisors (see below), whose sum is σ = 11408544. Its totient is φ = 1991616.

The previous prime is 5205817. The next prime is 5205839. The reversal of 5205820 is 285025.

5205820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 5205791 and 5205800.

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, 5199 + ... + 6118.

It is an arithmetic number, because the mean of its divisors is an integer number (475356).

Almost surely, 2^5205820 is an apocalyptic number.

It is an amenable number.

5205820 is an abundant number, since it is smaller than the sum of its proper divisors (6202724).

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

5205820 is a wasteful number, since it uses less digits than its factorization.

5205820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349 (or 11347 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 5205820 is about 2281.6266127480. The cubic root of 5205820 is about 173.3124317334.

The spelling of 5205820 in words is "five million, two hundred five thousand, eight hundred twenty".