3220001023200 has 144 divisors (see below), whose sum is σ = 11287342157616. Its totient is φ = 792615628800.

The previous prime is 3220001023199. The next prime is 3220001023207. The reversal of 3220001023200 is 23201000223.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3220001023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220001023207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51571381 + ... + 51633780.

It is an arithmetic number, because the mean of its divisors is an integer number (78384320539).

Almost surely, 2^{3220001023200} is an apocalyptic number.

3220001023200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3220001023200 is an abundant number, since it is smaller than the sum of its proper divisors (8067341134416).

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

3220001023200 is a wasteful number, since it uses less digits than its factorization.

3220001023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103205197 (or 103205184 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 3220001023200 its reverse (23201000223), we get a palindrome (3243202023423).

The spelling of 3220001023200 in words is "three trillion, two hundred twenty billion, one million, twenty-three thousand, two hundred".