3023221203220 has 96 divisors (see below), whose sum is σ = 6899022305280. Its totient is φ = 1109490708480.

The previous prime is 3023221203209. The next prime is 3023221203257. The reversal of 3023221203220 is 223021223203.

It is a junction number, because it is equal to n+sod(n) for n = 3023221203191 and 3023221203200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673296 + ... + 2549464.

It is an arithmetic number, because the mean of its divisors is an integer number (71864815680).

Almost surely, 2^{3023221203220} 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 3023221203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449511152640).

3023221203220 is an abundant number, since it is smaller than the sum of its proper divisors (3875801102060).

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

3023221203220 is a wasteful number, since it uses less digits than its factorization.

3023221203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876345 (or 1876343 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 3023221203220 its reverse (223021223203), we get a palindrome (3246242426423).

The spelling of 3023221203220 in words is "three trillion, twenty-three billion, two hundred twenty-one million, two hundred three thousand, two hundred twenty".