3321020 has 24 divisors (see below), whose sum is σ = 7124544. Its totient is φ = 1299776.

The previous prime is 3320971. The next prime is 3321037. The reversal of 3321020 is 201233.

It is a super-2 number, since 2×3321020² = 22058347680800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3320992 and 3321010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827 + ... + 2706.

It is an arithmetic number, because the mean of its divisors is an integer number (296856).

Almost surely, 2^3321020 is an apocalyptic number.

It is an amenable number.

3321020 is an abundant number, since it is smaller than the sum of its proper divisors (3803524).

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

3321020 is a wasteful number, since it uses less digits than its factorization.

3321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3321020 is about 1822.3665931969. The cubic root of 3321020 is about 149.1959944970.

Adding to 3321020 its reverse (201233), we get a palindrome (3522253).

The spelling of 3321020 in words is "three million, three hundred twenty-one thousand, twenty".