20330223071 has 2 divisors, whose sum is σ = 20330223072. Its totient is φ = 20330223070.

The previous prime is 20330223061. The next prime is 20330223073. The reversal of 20330223071 is 17032203302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330223071 is a prime.

Together with 20330223073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330223073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165111535 + 10165111536.

It is an arithmetic number, because the mean of its divisors is an integer number (10165111536).

Almost surely, 2^20330223071 is an apocalyptic number.

20330223071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330223071 is an equidigital number, since it uses as much as digits as its factorization.

20330223071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

Adding to 20330223071 its reverse (17032203302), we get a palindrome (37362426373).

The spelling of 20330223071 in words is "twenty billion, three hundred thirty million, two hundred twenty-three thousand, seventy-one".