2005003233520 has 40 divisors (see below), whose sum is σ = 5327580021984. Its totient is φ = 687429679872.

The previous prime is 2005003233503. The next prime is 2005003233529. The reversal of 2005003233520 is 253323005002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005003233529) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1790180899 + ... + 1790182018.

Almost surely, 2^{2005003233520} is an apocalyptic number.

2005003233520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005003233520 is an abundant number, since it is smaller than the sum of its proper divisors (3322576788464).

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

2005003233520 is a wasteful number, since it uses less digits than its factorization.

2005003233520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580362937 (or 3580362931 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 25.

Adding to 2005003233520 its reverse (253323005002), we get a palindrome (2258326238522).

The spelling of 2005003233520 in words is "two trillion, five billion, three million, two hundred thirty-three thousand, five hundred twenty".