500130531020 has 96 divisors (see below), whose sum is σ = 1095805972800. Its totient is φ = 191504681984.

The previous prime is 500130531001. The next prime is 500130531029. The reversal of 500130531020 is 20135031005.

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 = 500130530983 and 500130531001.

It is not an unprimeable number, because it can be changed into a prime (500130531029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33470711 + ... + 33485649.

It is an arithmetic number, because the mean of its divisors is an integer number (11414645550).

Almost surely, 2^500130531020 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 500130531020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547902986400).

500130531020 is an abundant number, since it is smaller than the sum of its proper divisors (595675441780).

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

500130531020 is a wasteful number, since it uses less digits than its factorization.

500130531020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15467 (or 15465 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 500130531020 its reverse (20135031005), we get a palindrome (520265562025).

The spelling of 500130531020 in words is "five hundred billion, one hundred thirty million, five hundred thirty-one thousand, twenty".