20334314243 has 2 divisors, whose sum is σ = 20334314244. Its totient is φ = 20334314242.

The previous prime is 20334314239. The next prime is 20334314321. The reversal of 20334314243 is 34241343302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20334314243 - 2² = 20334314239 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20334314233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167157121 + 10167157122.

It is an arithmetic number, because the mean of its divisors is an integer number (10167157122).

Almost surely, 2^20334314243 is an apocalyptic number.

20334314243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334314243 is an equidigital number, since it uses as much as digits as its factorization.

20334314243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20334314243 its reverse (34241343302), we get a palindrome (54575657545).

The spelling of 20334314243 in words is "twenty billion, three hundred thirty-four million, three hundred fourteen thousand, two hundred forty-three".