520000224 has 48 divisors (see below), whose sum is σ = 1366888320. Its totient is φ = 173093760.

The previous prime is 520000223. The next prime is 520000277. The reversal of 520000224 is 422000025.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520000223) 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 7 ways as a sum of consecutive naturals, for example, 74517 + ... + 81195.

It is an arithmetic number, because the mean of its divisors is an integer number (28476840).

Almost surely, 2^520000224 is an apocalyptic number.

It is an amenable number.

520000224 is an abundant number, since it is smaller than the sum of its proper divisors (846888096).

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

520000224 is a wasteful number, since it uses less digits than its factorization.

520000224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503 (or 7495 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 520000224 is about 22803.5134135071. The cubic root of 520000224 is about 804.1452671848.

Adding to 520000224 its reverse (422000025), we get a palindrome (942000249).

The spelling of 520000224 in words is "five hundred twenty million, two hundred twenty-four", and thus it is an aban number.