530203520 has 384 divisors, whose sum is σ = 1695362400. Its totient is φ = 156549120.

The previous prime is 530203517. The next prime is 530203579. The reversal of 530203520 is 25302035.

It is a super-2 number, since 2×530203520² = 562231545240780800, which contains 22 as substring.

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 = 530203492 and 530203501.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10003814 + ... + 10003866.

Almost surely, 2^530203520 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 530203520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847681200).

530203520 is an abundant number, since it is smaller than the sum of its proper divisors (1165158880).

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

530203520 is a wasteful number, since it uses less digits than its factorization.

530203520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 530203520 is about 23026.1486141300. The cubic root of 530203520 is about 809.3708064063.

Adding to 530203520 its reverse (25302035), we get a palindrome (555505555).

The spelling of 530203520 in words is "five hundred thirty million, two hundred three thousand, five hundred twenty".