20126325752431 has 2 divisors, whose sum is σ = 20126325752432. Its totient is φ = 20126325752430.

The previous prime is 20126325752419. The next prime is 20126325752441. The reversal of 20126325752431 is 13425752362102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20126325752431 - 2⁴¹ = 17927302496879 is a prime.

It is a super-2 number, since 2×20126325752431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20126325752441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10063162876215 + 10063162876216.

It is an arithmetic number, because the mean of its divisors is an integer number (10063162876216).

Almost surely, 2^{20126325752431} is an apocalyptic number.

20126325752431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20126325752431 is an equidigital number, since it uses as much as digits as its factorization.

20126325752431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 20126325752431 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-five million, seven hundred fifty-two thousand, four hundred thirty-one".