3321323020 has 48 divisors (see below), whose sum is σ = 7302324960. Its totient is φ = 1267245056.

The previous prime is 3321323017. The next prime is 3321323023. The reversal of 3321323020 is 203231233.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3321323017) and next prime (3321323023).

It is a super-2 number, since 2×3321323020² = 22062373206363840800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3321323023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13644 + ... + 82636.

It is an arithmetic number, because the mean of its divisors is an integer number (152131770).

Almost surely, 2^3321323020 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 3321323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3651162480).

3321323020 is an abundant number, since it is smaller than the sum of its proper divisors (3981001940).

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

3321323020 is a wasteful number, since it uses less digits than its factorization.

3321323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69114 (or 69112 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 3321323020 is about 57630.9206936693. The cubic root of 3321323020 is about 1492.0053205828.

Adding to 3321323020 its reverse (203231233), we get a palindrome (3524554253).

The spelling of 3321323020 in words is "three billion, three hundred twenty-one million, three hundred twenty-three thousand, twenty".