3266056820 has 54 divisors (see below), whose sum is σ = 7434460278. Its totient is φ = 1204701888.

The previous prime is 3266056819. The next prime is 3266056831. The reversal of 3266056820 is 286506623.

It can be written as a sum of positive squares in 3 ways, for example, as 15460624 + 3250596196 = 3932^2 + 57014^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3322049 + ... + 3323031.

Almost surely, 2^3266056820 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 3266056820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3717230139).

3266056820 is an abundant number, since it is smaller than the sum of its proper divisors (4168403458).

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

3266056820 is an equidigital number, since it uses as much as digits as its factorization.

3266056820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 3266056820 is about 57149.4253689396. The cubic root of 3266056820 is about 1483.6834261256.

Multiplying 3266056820 by its product of nonzero digits (103680), we get a square (338624771097600 = 18401760²).

The spelling of 3266056820 in words is "three billion, two hundred sixty-six million, fifty-six thousand, eight hundred twenty".