20896636727 has 2 divisors, whose sum is σ = 20896636728. Its totient is φ = 20896636726.

The previous prime is 20896636703. The next prime is 20896636751. The reversal of 20896636727 is 72763669802.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20896636703) and next prime (20896636751).

It is a cyclic number.

It is not a de Polignac number, because 20896636727 - 2¹⁶ = 20896571191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20896636777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10448318363 + 10448318364.

It is an arithmetic number, because the mean of its divisors is an integer number (10448318364).

Almost surely, 2^20896636727 is an apocalyptic number.

20896636727 is a deficient number, since it is larger than the sum of its proper divisors (1).

20896636727 is an equidigital number, since it uses as much as digits as its factorization.

20896636727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 20896636727 in words is "twenty billion, eight hundred ninety-six million, six hundred thirty-six thousand, seven hundred twenty-seven".