3321033001220 has 24 divisors (see below), whose sum is σ = 7608184694208. Its totient is φ = 1207648364000.

The previous prime is 3321033001217. The next prime is 3321033001249. The reversal of 3321033001220 is 221003301233.

It is a super-2 number, since 2×3321033001220² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3321033001192 and 3321033001201.

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, 7547802056 + ... + 7547802495.

It is an arithmetic number, because the mean of its divisors is an integer number (317007695592).

Almost surely, 2^{3321033001220} is an apocalyptic number.

It is an amenable number.

3321033001220 is an abundant number, since it is smaller than the sum of its proper divisors (4287151692988).

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

3321033001220 is a wasteful number, since it uses less digits than its factorization.

3321033001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15095604571 (or 15095604569 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 3321033001220 its reverse (221003301233), we get a palindrome (3542036302453).

The spelling of 3321033001220 in words is "three trillion, three hundred twenty-one billion, thirty-three million, one thousand, two hundred twenty".