20526414304423 has 2 divisors, whose sum is σ = 20526414304424. Its totient is φ = 20526414304422.

The previous prime is 20526414304399. The next prime is 20526414304457. The reversal of 20526414304423 is 32440341462502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20526414304423 - 2¹⁷ = 20526414173351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20526414304723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10263207152211 + 10263207152212.

It is an arithmetic number, because the mean of its divisors is an integer number (10263207152212).

Almost surely, 2^{20526414304423} is an apocalyptic number.

20526414304423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20526414304423 is an equidigital number, since it uses as much as digits as its factorization.

20526414304423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 20526414304423 its reverse (32440341462502), we get a palindrome (52966755766925).

The spelling of 20526414304423 in words is "twenty trillion, five hundred twenty-six billion, four hundred fourteen million, three hundred four thousand, four hundred twenty-three".