504020 has 48 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 174720.

The previous prime is 504017. The next prime is 504047. The reversal of 504020 is 20405.

504020 = T₂₉ + T₃₀ + ... + T₁₄₄.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a junction number, because it is equal to n+sod(n) for n = 503992 and 504010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6341 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2⁵⁰⁴⁰²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604800).

504020 is an abundant number, since it is smaller than the sum of its proper divisors (705580).

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

504020 is a wasteful number, since it uses less digits than its factorization.

504020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 504020 is about 709.9436597365. The cubic root of 504020 is about 79.5821968046.

Adding to 504020 its reverse (20405), we get a palindrome (524425).

The spelling of 504020 in words is "five hundred four thousand, twenty".