502020 has 36 divisors (see below), whose sum is σ = 1523340. Its totient is φ = 133824.

The previous prime is 502013. The next prime is 502039. The reversal of 502020 is 20205.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 254016 = 498^2 + 504^2 .

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 (9).

It is a junction number, because it is equal to n+sod(n) for n = 501993 and 502011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1215 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (42315).

2⁵⁰²⁰²⁰ is an apocalyptic number.

It is an amenable number.

502020 is an abundant number, since it is smaller than the sum of its proper divisors (1021320).

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

502020 is a wasteful number, since it uses less digits than its factorization.

502020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 502020 is about 708.5336971521. The cubic root of 502020 is about 79.4767939863.

Adding to 502020 its reverse (20205), we get a palindrome (522225).

The spelling of 502020 in words is "five hundred two thousand, twenty".