520216300 has 72 divisors (see below), whose sum is σ = 1209985056. Its totient is φ = 193628160.

The previous prime is 520216289. The next prime is 520216309. The reversal of 520216300 is 3612025.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (520216309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82044 + ... + 88156.

It is an arithmetic number, because the mean of its divisors is an integer number (16805348).

Almost surely, 2^520216300 is an apocalyptic number.

520216300 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 520216300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604992528).

520216300 is an abundant number, since it is smaller than the sum of its proper divisors (689768756).

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

520216300 is a wasteful number, since it uses less digits than its factorization.

520216300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187 (or 6180 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 520216300 is about 22808.2507001304. The cubic root of 520216300 is about 804.2566340799.

Adding to 520216300 its reverse (3612025), we get a palindrome (523828325).

The spelling of 520216300 in words is "five hundred twenty million, two hundred sixteen thousand, three hundred".