3302021220 has 96 divisors (see below), whose sum is σ = 9661075200. Its totient is φ = 841082880.

The previous prime is 3302021201. The next prime is 3302021249. The reversal of 3302021220 is 221202033.

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 3302021220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1446480 + ... + 1448760.

It is an arithmetic number, because the mean of its divisors is an integer number (100636200).

Almost surely, 2^3302021220 is an apocalyptic number.

3302021220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3302021220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4830537600).

3302021220 is an abundant number, since it is smaller than the sum of its proper divisors (6359053980).

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

3302021220 is a wasteful number, since it uses less digits than its factorization.

3302021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365 (or 3363 counting only the distinct ones).

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

The square root of 3302021220 is about 57463.2162343877. The cubic root of 3302021220 is about 1489.1094508729.

Adding to 3302021220 its reverse (221202033), we get a palindrome (3523223253).

The spelling of 3302021220 in words is "three billion, three hundred two million, twenty-one thousand, two hundred twenty".