3311323220 has 24 divisors (see below), whose sum is σ = 6955804800. Its totient is φ = 1324143392.

The previous prime is 3311323219. The next prime is 3311323237. The reversal of 3311323220 is 223231133.

It is a super-2 number, since 2×3311323220² = 21929722934622336800, which 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 = 3311323192 and 3311323201.

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, 52121 + ... + 96639.

It is an arithmetic number, because the mean of its divisors is an integer number (289825200).

Almost surely, 2^3311323220 is an apocalyptic number.

It is an amenable number.

3311323220 is an abundant number, since it is smaller than the sum of its proper divisors (3644481580).

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

3311323220 is a wasteful number, since it uses less digits than its factorization.

3311323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48247 (or 48245 counting only the distinct ones).

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

The square root of 3311323220 is about 57544.0980466286. The cubic root of 3311323220 is about 1490.5064446612.

Adding to 3311323220 its reverse (223231133), we get a palindrome (3534554353).

The spelling of 3311323220 in words is "three billion, three hundred eleven million, three hundred twenty-three thousand, two hundred twenty".