3003121320020 has 48 divisors (see below), whose sum is σ = 6409788351120. Its totient is φ = 1181722020864.

The previous prime is 3003121320019. The next prime is 3003121320029. The reversal of 3003121320020 is 200231213003.

It can be written as a sum of positive squares in 8 ways, for example, as 106358167876 + 2896763152144 = 326126^2 + 1701988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3003121320029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3931439 + ... + 4632758.

It is an arithmetic number, because the mean of its divisors is an integer number (133537257315).

Almost surely, 2^{3003121320020} is an apocalyptic number.

It is an amenable number.

3003121320020 is an abundant number, since it is smaller than the sum of its proper divisors (3406667031100).

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

3003121320020 is a wasteful number, since it uses less digits than its factorization.

3003121320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564492 (or 8564490 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 3003121320020 its reverse (200231213003), we get a palindrome (3203352533023).

The spelling of 3003121320020 in words is "three trillion, three billion, one hundred twenty-one million, three hundred twenty thousand, twenty".