3320143220 has 96 divisors (see below), whose sum is σ = 7489843200. Its totient is φ = 1232630784.

The previous prime is 3320143217. The next prime is 3320143261. The reversal of 3320143220 is 223410233.

It is a super-2 number, since 2×3320143220² = 22046702002623936800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3320143192 and 3320143201.

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, 4294754 + ... + 4295526.

It is an arithmetic number, because the mean of its divisors is an integer number (78019200).

Almost surely, 2^3320143220 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 3320143220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3744921600).

3320143220 is an abundant number, since it is smaller than the sum of its proper divisors (4169699980).

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

3320143220 is a wasteful number, since it uses less digits than its factorization.

3320143220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3320143220 is about 57620.6839598421. The cubic root of 3320143220 is about 1491.8286363383.

Adding to 3320143220 its reverse (223410233), we get a palindrome (3543553453).

The spelling of 3320143220 in words is "three billion, three hundred twenty million, one hundred forty-three thousand, two hundred twenty".