2000660393 has 2 divisors, whose sum is σ = 2000660394. Its totient is φ = 2000660392.

The previous prime is 2000660341. The next prime is 2000660413. The reversal of 2000660393 is 3930660002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1938376729 + 62283664 = 44027^2 + 7892^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000660393 - 2¹² = 2000656297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000660693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000330196 + 1000330197.

It is an arithmetic number, because the mean of its divisors is an integer number (1000330197).

Almost surely, 2^2000660393 is an apocalyptic number.

It is an amenable number.

2000660393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000660393 is an equidigital number, since it uses as much as digits as its factorization.

2000660393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 2000660393 is about 44728.7423588010. The cubic root of 2000660393 is about 1260.0597084748.

The spelling of 2000660393 in words is "two billion, six hundred sixty thousand, three hundred ninety-three".