20043232247 has 2 divisors, whose sum is σ = 20043232248. Its totient is φ = 20043232246.

The previous prime is 20043232201. The next prime is 20043232291. The reversal of 20043232247 is 74223234002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20043232247 - 2⁸ = 20043231991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20043262247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021616123 + 10021616124.

It is an arithmetic number, because the mean of its divisors is an integer number (10021616124).

Almost surely, 2^20043232247 is an apocalyptic number.

20043232247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043232247 is an equidigital number, since it uses as much as digits as its factorization.

20043232247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

Adding to 20043232247 its reverse (74223234002), we get a palindrome (94266466249).

The spelling of 20043232247 in words is "twenty billion, forty-three million, two hundred thirty-two thousand, two hundred forty-seven".