3303220020 has 192 divisors, whose sum is σ = 10059033600. Its totient is φ = 806840320.

The previous prime is 3303220009. The next prime is 3303220021. The reversal of 3303220020 is 200223033.

It is a super-2 number, since 2×3303220020² = 21822525001057600800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3303220021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7883371 + ... + 7883789.

It is an arithmetic number, because the mean of its divisors is an integer number (52390800).

Almost surely, 2^3303220020 is an apocalyptic number.

3303220020 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 3303220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5029516800).

3303220020 is an abundant number, since it is smaller than the sum of its proper divisors (6755813580).

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

3303220020 is a wasteful number, since it uses less digits than its factorization.

3303220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 3303220020 is about 57473.6463085474. The cubic root of 3303220020 is about 1489.2896363110.

Adding to 3303220020 its reverse (200223033), we get a palindrome (3503443053).

The spelling of 3303220020 in words is "three billion, three hundred three million, two hundred twenty thousand, twenty".