20006742233711 has 2 divisors, whose sum is σ = 20006742233712. Its totient is φ = 20006742233710.

The previous prime is 20006742233623. The next prime is 20006742233713. The reversal of 20006742233711 is 11733224760002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20006742233711 - 2²⁶ = 20006675124847 is a prime.

Together with 20006742233713, 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 (20006742233713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003371116855 + 10003371116856.

It is an arithmetic number, because the mean of its divisors is an integer number (10003371116856).

Almost surely, 2^{20006742233711} is an apocalyptic number.

20006742233711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20006742233711 is an equidigital number, since it uses as much as digits as its factorization.

20006742233711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

Adding to 20006742233711 its reverse (11733224760002), we get a palindrome (31739966993713).

The spelling of 20006742233711 in words is "twenty trillion, six billion, seven hundred forty-two million, two hundred thirty-three thousand, seven hundred eleven".