3005521300020 has 96 divisors (see below), whose sum is σ = 8860694169600. Its totient is φ = 759091112064.

The previous prime is 3005521299973. The next prime is 3005521300027. The reversal of 3005521300020 is 200031255003.

3005521300020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3005521300020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005521300027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4042921 + ... + 4728239.

It is an arithmetic number, because the mean of its divisors is an integer number (92298897600).

Almost surely, 2^{3005521300020} is an apocalyptic number.

3005521300020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3005521300020 is an abundant number, since it is smaller than the sum of its proper divisors (5855172869580).

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

3005521300020 is a wasteful number, since it uses less digits than its factorization.

3005521300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689197 (or 689195 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 3005521300020 its reverse (200031255003), we get a palindrome (3205552555023).

The spelling of 3005521300020 in words is "three trillion, five billion, five hundred twenty-one million, three hundred thousand, twenty".