5206820 has 24 divisors (see below), whose sum is σ = 10987704. Its totient is φ = 2072576.

The previous prime is 5206819. The next prime is 5206823. The reversal of 5206820 is 286025.

It is a happy number.

5206820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 401956 + 4804864 = 634^2 + 2192^2 .

It is a super-2 number, since 2×5206820² = 54221949024800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4634 + ... + 5646.

It is an arithmetic number, because the mean of its divisors is an integer number (457821).

Almost surely, 2^5206820 is an apocalyptic number.

It is an amenable number.

5206820 is an abundant number, since it is smaller than the sum of its proper divisors (5780884).

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

5206820 is a wasteful number, since it uses less digits than its factorization.

5206820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 5206820 is about 2281.8457441291. The cubic root of 5206820 is about 173.3235283737.

The spelling of 5206820 in words is "five million, two hundred six thousand, eight hundred twenty".