501246020 has 96 divisors (see below), whose sum is σ = 1223341056. Its totient is φ = 170496000.

The previous prime is 501246017. The next prime is 501246041. The reversal of 501246020 is 20642105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 501245983 and 501246001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 833720 + ... + 834320.

It is an arithmetic number, because the mean of its divisors is an integer number (12743136).

Almost surely, 2^501246020 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 501246020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611670528).

501246020 is an abundant number, since it is smaller than the sum of its proper divisors (722095036).

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

501246020 is a wasteful number, since it uses less digits than its factorization.

501246020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 501246020 is about 22388.5242925924. The cubic root of 501246020 is about 794.3592902174.

Adding to 501246020 its reverse (20642105), we get a palindrome (521888125).

The spelling of 501246020 in words is "five hundred one million, two hundred forty-six thousand, twenty".