520003522350 has 144 divisors (see below), whose sum is σ = 1508340043392. Its totient is φ = 127677876480.

The previous prime is 520003522333. The next prime is 520003522403. The reversal of 520003522350 is 53225300025.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 2210499 + ... + 2434401.

Almost surely, 2^520003522350 is an apocalyptic number.

520003522350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 520003522350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754170021696).

520003522350 is an abundant number, since it is smaller than the sum of its proper divisors (988336521042).

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

520003522350 is a wasteful number, since it uses less digits than its factorization.

520003522350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224331 (or 224323 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 520003522350 its reverse (53225300025), we get a palindrome (573228822375).

The spelling of 520003522350 in words is "five hundred twenty billion, three million, five hundred twenty-two thousand, three hundred fifty".