20896331193427 has 2 divisors, whose sum is σ = 20896331193428. Its totient is φ = 20896331193426.

The previous prime is 20896331193323. The next prime is 20896331193433. The reversal of 20896331193427 is 72439113369802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20896331193427 - 2¹⁹ = 20896330669139 is a prime.

It is not a weakly prime, because it can be changed into another prime (20896331193457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10448165596713 + 10448165596714.

It is an arithmetic number, because the mean of its divisors is an integer number (10448165596714).

Almost surely, 2^{20896331193427} is an apocalyptic number.

20896331193427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20896331193427 is an equidigital number, since it uses as much as digits as its factorization.

20896331193427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 20896331193427 in words is "twenty trillion, eight hundred ninety-six billion, three hundred thirty-one million, one hundred ninety-three thousand, four hundred twenty-seven".