5180020 has 12 divisors (see below), whose sum is σ = 10878084. Its totient is φ = 2072000.

The previous prime is 5180017. The next prime is 5180029. The reversal of 5180020 is 200815.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3225616 + 1954404 = 1796^2 + 1398^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5179976 and 5180003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5180029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129481 + ... + 129520.

It is an arithmetic number, because the mean of its divisors is an integer number (906507).

Almost surely, 2^5180020 is an apocalyptic number.

It is an amenable number.

5180020 is an abundant number, since it is smaller than the sum of its proper divisors (5698064).

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

5180020 is a wasteful number, since it uses less digits than its factorization.

5180020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259010 (or 259008 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 5180020 is about 2275.9657290917. The cubic root of 5180020 is about 173.0256457910.

Adding to 5180020 its reverse (200815), we get a palindrome (5380835).

The spelling of 5180020 in words is "five million, one hundred eighty thousand, twenty".