5102820 has 36 divisors (see below), whose sum is σ = 15479100. Its totient is φ = 1360704.

The previous prime is 5102789. The next prime is 5102821. The reversal of 5102820 is 282015.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 4260096 = 918^2 + 2064^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5102793 and 5102802.

It is not an unprimeable number, because it can be changed into a prime (5102821) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13995 + ... + 14354.

It is an arithmetic number, because the mean of its divisors is an integer number (429975).

Almost surely, 2^5102820 is an apocalyptic number.

It is an amenable number.

5102820 is an abundant number, since it is smaller than the sum of its proper divisors (10376280).

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

5102820 is a wasteful number, since it uses less digits than its factorization.

5102820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28364 (or 28359 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 5102820 is about 2258.9422303370. The cubic root of 5102820 is about 172.1617821599.

Adding to 5102820 its reverse (282015), we get a palindrome (5384835).

The spelling of 5102820 in words is "five million, one hundred two thousand, eight hundred twenty".