3003000221320 has 128 divisors (see below), whose sum is σ = 7390424448000. Its totient is φ = 1089125856000.

The previous prime is 3003000221281. The next prime is 3003000221323. The reversal of 3003000221320 is 231220003003.

It is a junction number, because it is equal to n+sod(n) for n = 3003000221294 and 3003000221303.

It is not an unprimeable number, because it can be changed into a prime (3003000221323) 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, 349222381 + ... + 349230979.

It is an arithmetic number, because the mean of its divisors is an integer number (57737691000).

Almost surely, 2^{3003000221320} 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 3003000221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3695212224000).

3003000221320 is an abundant number, since it is smaller than the sum of its proper divisors (4387424226680).

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

3003000221320 is a wasteful number, since it uses less digits than its factorization.

3003000221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619 (or 10615 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 3003000221320 its reverse (231220003003), we get a palindrome (3234220224323).

The spelling of 3003000221320 in words is "three trillion, three billion, two hundred twenty-one thousand, three hundred twenty".