2000645203 has 2 divisors, whose sum is σ = 2000645204. Its totient is φ = 2000645202.

The previous prime is 2000645131. The next prime is 2000645237. The reversal of 2000645203 is 3025460002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000645203 - 2²¹ = 1998548051 is a prime.

It is a super-2 number, since 2×2000645203² = 8005162456573822418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2000645263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000322601 + 1000322602.

It is an arithmetic number, because the mean of its divisors is an integer number (1000322602).

Almost surely, 2^2000645203 is an apocalyptic number.

2000645203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000645203 is an equidigital number, since it uses as much as digits as its factorization.

2000645203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2000645203 is about 44728.5725571474. The cubic root of 2000645203 is about 1260.0565194685.

The spelling of 2000645203 in words is "two billion, six hundred forty-five thousand, two hundred three".