20342430763 has 2 divisors, whose sum is σ = 20342430764. Its totient is φ = 20342430762.

The previous prime is 20342430721. The next prime is 20342430793. The reversal of 20342430763 is 36703424302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20342430763 is a prime.

It is not a weakly prime, because it can be changed into another prime (20342430793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10171215381 + 10171215382.

It is an arithmetic number, because the mean of its divisors is an integer number (10171215382).

Almost surely, 2^20342430763 is an apocalyptic number.

20342430763 is a deficient number, since it is larger than the sum of its proper divisors (1).

20342430763 is an equidigital number, since it uses as much as digits as its factorization.

20342430763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 34.

The spelling of 20342430763 in words is "twenty billion, three hundred forty-two million, four hundred thirty thousand, seven hundred sixty-three".