5210502820 has 12 divisors (see below), whose sum is σ = 10942055964. Its totient is φ = 2084201120.

The previous prime is 5210502811. The next prime is 5210502821. The reversal of 5210502820 is 282050125.

It can be written as a sum of positive squares in 2 ways, for example, as 1802511936 + 3407990884 = 42456^2 + 58378^2 .

It is not an unprimeable number, because it can be changed into a prime (5210502821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130262551 + ... + 130262590.

It is an arithmetic number, because the mean of its divisors is an integer number (911837997).

Almost surely, 2^5210502820 is an apocalyptic number.

It is an amenable number.

5210502820 is an abundant number, since it is smaller than the sum of its proper divisors (5731553144).

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

5210502820 is a wasteful number, since it uses less digits than its factorization.

5210502820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260525150 (or 260525148 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5210502820 is about 72183.8127283396. The cubic root of 5210502820 is about 1733.6438305532.

Adding to 5210502820 its reverse (282050125), we get a palindrome (5492552945).

The spelling of 5210502820 in words is "five billion, two hundred ten million, five hundred two thousand, eight hundred twenty".