20126256434183 has 2 divisors, whose sum is σ = 20126256434184. Its totient is φ = 20126256434182.

The previous prime is 20126256434023. The next prime is 20126256434231. The reversal of 20126256434183 is 38143465262102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20126256434183 - 2²² = 20126252239879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20126256433183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10063128217091 + 10063128217092.

It is an arithmetic number, because the mean of its divisors is an integer number (10063128217092).

Almost surely, 2^{20126256434183} is an apocalyptic number.

20126256434183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20126256434183 is an equidigital number, since it uses as much as digits as its factorization.

20126256434183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 20126256434183 in words is "twenty trillion, one hundred twenty-six billion, two hundred fifty-six million, four hundred thirty-four thousand, one hundred eighty-three".