2000666330 has 32 divisors (see below), whose sum is σ = 3889290384. Its totient is φ = 736598016.

The previous prime is 2000666309. The next prime is 2000666347. The reversal of 2000666330 is 336660002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30283009 + 1970383321 = 5503^2 + 44389^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2000666330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24092 + ... + 67688.

Almost surely, 2^2000666330 is an apocalyptic number.

2000666330 is a deficient number, since it is larger than the sum of its proper divisors (1888624054).

2000666330 is a wasteful number, since it uses less digits than its factorization.

2000666330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43970.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 2000666330 is about 44728.8087254736. The cubic root of 2000666330 is about 1260.0609548911.

The spelling of 2000666330 in words is "two billion, six hundred sixty-six thousand, three hundred thirty".