2004530520 has 64 divisors (see below), whose sum is σ = 6367338720. Its totient is φ = 503097344.

The previous prime is 2004530501. The next prime is 2004530531. The reversal of 2004530520 is 250354002.

It is a super-2 number, since 2×2004530520² = 8036285211222940800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489267 + ... + 493346.

Almost surely, 2^2004530520 is an apocalyptic number.

2004530520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004530520 is an abundant number, since it is smaller than the sum of its proper divisors (4362808200).

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

2004530520 is a wasteful number, since it uses less digits than its factorization.

2004530520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982644 (or 982640 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2004530520 is about 44771.9836504929. The cubic root of 2004530520 is about 1260.8716820320.

Adding to 2004530520 its reverse (250354002), we get a palindrome (2254884522).

The spelling of 2004530520 in words is "two billion, four million, five hundred thirty thousand, five hundred twenty".