2000040247 has 2 divisors, whose sum is σ = 2000040248. Its totient is φ = 2000040246.

The previous prime is 2000040239. The next prime is 2000040253. The reversal of 2000040247 is 7420400002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000040247 - 2³ = 2000040239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000040227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000020123 + 1000020124.

It is an arithmetic number, because the mean of its divisors is an integer number (1000020124).

Almost surely, 2^2000040247 is an apocalyptic number.

2000040247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000040247 is an equidigital number, since it uses as much as digits as its factorization.

2000040247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2000040247 is about 44721.8095228715. The cubic root of 2000040247 is about 1259.9295011786.

Adding to 2000040247 its reverse (7420400002), we get a palindrome (9420440249).

The spelling of 2000040247 in words is "two billion, forty thousand, two hundred forty-seven".