20043300971 has 2 divisors, whose sum is σ = 20043300972. Its totient is φ = 20043300970.

The previous prime is 20043300929. The next prime is 20043301063. The reversal of 20043300971 is 17900334002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20043300971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20043303971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021650485 + 10021650486.

It is an arithmetic number, because the mean of its divisors is an integer number (10021650486).

Almost surely, 2^20043300971 is an apocalyptic number.

20043300971 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043300971 is an equidigital number, since it uses as much as digits as its factorization.

20043300971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 20043300971 its reverse (17900334002), we get a palindrome (37943634973).

The spelling of 20043300971 in words is "twenty billion, forty-three million, three hundred thousand, nine hundred seventy-one".