20434303011071 has 2 divisors, whose sum is σ = 20434303011072. Its totient is φ = 20434303011070.

The previous prime is 20434303010981. The next prime is 20434303011103. The reversal of 20434303011071 is 17011030343402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20434303011071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20434303013071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217151505535 + 10217151505536.

It is an arithmetic number, because the mean of its divisors is an integer number (10217151505536).

Almost surely, 2^{20434303011071} is an apocalyptic number.

20434303011071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20434303011071 is an equidigital number, since it uses as much as digits as its factorization.

20434303011071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 20434303011071 its reverse (17011030343402), we get a palindrome (37445333354473).

The spelling of 20434303011071 in words is "twenty trillion, four hundred thirty-four billion, three hundred three million, eleven thousand, seventy-one".