520300000 has 216 divisors, whose sum is σ = 1440048456. Its totient is φ = 184800000.

The previous prime is 520299973. The next prime is 520300003. The reversal of 520300000 is 3025.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 520300000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520300003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12099979 + ... + 12100021.

It is an arithmetic number, because the mean of its divisors is an integer number (6666891).

Almost surely, 2^520300000 is an apocalyptic number.

520300000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720024228).

520300000 is an abundant number, since it is smaller than the sum of its proper divisors (919748456).

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

520300000 is an equidigital number, since it uses as much as digits as its factorization.

520300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 520300000 is about 22810.0854886605. The cubic root of 520300000 is about 804.2997652867.

Adding to 520300000 its reverse (3025), we get a palindrome (520303025).

The spelling of 520300000 in words is "five hundred twenty million, three hundred thousand".