2005545330 has 24 divisors (see below), whose sum is σ = 5214418092. Its totient is φ = 534812064.

The previous prime is 2005545293. The next prime is 2005545331. The reversal of 2005545330 is 335455002.

2005545330 is a `hidden beast` number, since 200 + 5 + 5 + 453 + 3 + 0 = 666.

2005545330 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1979627049 + 25918281 = 44493^2 + 5091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2005545294 and 2005545303.

It is not an unprimeable number, because it can be changed into a prime (2005545331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11141829 + ... + 11142008.

Almost surely, 2^2005545330 is an apocalyptic number.

2005545330 is an abundant number, since it is smaller than the sum of its proper divisors (3208872762).

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

2005545330 is a wasteful number, since it uses less digits than its factorization.

2005545330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22283850 (or 22283847 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 2005545330 is about 44783.3153082708. The cubic root of 2005545330 is about 1261.0844216756.

The spelling of 2005545330 in words is "two billion, five million, five hundred forty-five thousand, three hundred thirty".