516020 has 12 divisors (see below), whose sum is σ = 1083684. Its totient is φ = 206400.

The previous prime is 516017. The next prime is 516023. The reversal of 516020 is 20615.

It is an interprime number because it is at equal distance from previous prime (516017) and next prime (516023).

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 289444 = 476^2 + 538^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 515986 and 516004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12881 + ... + 12920.

It is an arithmetic number, because the mean of its divisors is an integer number (90307).

2⁵¹⁶⁰²⁰ is an apocalyptic number.

It is an amenable number.

516020 is an abundant number, since it is smaller than the sum of its proper divisors (567664).

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

516020 is a wasteful number, since it uses less digits than its factorization.

516020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25810 (or 25808 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 516020 is about 718.3453208590. The cubic root of 516020 is about 80.2088294042.

Adding to 516020 its reverse (20615), we get a palindrome (536635).

The spelling of 516020 in words is "five hundred sixteen thousand, twenty".