2205064680 has 384 divisors, whose sum is σ = 8379936000. Its totient is φ = 463776768.

The previous prime is 2205064657. The next prime is 2205064681. The reversal of 2205064680 is 864605022.

It is not an unprimeable number, because it can be changed into a prime (2205064681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6955882 + ... + 6956198.

It is an arithmetic number, because the mean of its divisors is an integer number (21822750).

Almost surely, 2^2205064680 is an apocalyptic number.

2205064680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205064680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4189968000).

2205064680 is an abundant number, since it is smaller than the sum of its proper divisors (6174871320).

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

2205064680 is a wasteful number, since it uses less digits than its factorization.

2205064680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2205064680 is about 46958.1162313822. The cubic root of 2205064680 is about 1301.5887243027.

The spelling of 2205064680 in words is "two billion, two hundred five million, sixty-four thousand, six hundred eighty".