3220021003000 has 256 divisors, whose sum is σ = 7889005238400. Its totient is φ = 1228631040000.

The previous prime is 3220021002983. The next prime is 3220021003033. The reversal of 3220021003000 is 3001200223.

It is a happy number.

It is a super-2 number, since 2×3220021003000² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 915557242 + ... + 915560758.

Almost surely, 2^{3220021003000} 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 3220021003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3944502619200).

3220021003000 is an abundant number, since it is smaller than the sum of its proper divisors (4668984235400).

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

3220021003000 is a wasteful number, since it uses less digits than its factorization.

3220021003000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 3220021003000 its reverse (3001200223), we get a palindrome (3223022203223).

The spelling of 3220021003000 in words is "three trillion, two hundred twenty billion, twenty-one million, three thousand".