3283205520 has 80 divisors (see below), whose sum is σ = 11631934080. Its totient is φ = 750446592.

The previous prime is 3283205479. The next prime is 3283205557. The reversal of 3283205520 is 255023823.

3283205520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×3283205520³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975465 + ... + 978824.

It is an arithmetic number, because the mean of its divisors is an integer number (145399176).

Almost surely, 2^3283205520 is an apocalyptic number.

3283205520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3283205520 is an abundant number, since it is smaller than the sum of its proper divisors (8348728560).

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

3283205520 is a wasteful number, since it uses less digits than its factorization.

3283205520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954312 (or 1954306 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3283205520 is about 57299.2628224832. The cubic root of 3283205520 is about 1486.2756285070.

The spelling of 3283205520 in words is "three billion, two hundred eighty-three million, two hundred five thousand, five hundred twenty".