3323003220 has 72 divisors (see below), whose sum is σ = 10111747464. Its totient is φ = 883323648.

The previous prime is 3323003213. The next prime is 3323003227. The reversal of 3323003220 is 223003233.

3323003220 is a `hidden beast` number, since 332 + 300 + 32 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3323003213) and next prime (3323003227).

It can be written as a sum of positive squares in 4 ways, for example, as 123743376 + 3199259844 = 11124^2 + 56562^2 .

It is a super-2 number, since 2×3323003220² = 22084700800260736800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3323003193 and 3323003202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3323003227) 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, 27942 + ... + 86178.

It is an arithmetic number, because the mean of its divisors is an integer number (140440937).

Almost surely, 2^3323003220 is an apocalyptic number.

3323003220 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 3323003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5055873732).

3323003220 is an abundant number, since it is smaller than the sum of its proper divisors (6788744244).

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

3323003220 is a wasteful number, since it uses less digits than its factorization.

3323003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58569 (or 58564 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 3323003220 is about 57645.4960946647. The cubic root of 3323003220 is about 1492.2568714172.

Adding to 3323003220 its reverse (223003233), we get a palindrome (3546006453).

The spelling of 3323003220 in words is "three billion, three hundred twenty-three million, three thousand, two hundred twenty".