20496323 has 2 divisors, whose sum is σ = 20496324. Its totient is φ = 20496322.

The previous prime is 20496317. The next prime is 20496331. The reversal of 20496323 is 32369402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20496323 is a prime.

It is not a weakly prime, because it can be changed into another prime (20496923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10248161 + 10248162.

It is an arithmetic number, because the mean of its divisors is an integer number (10248162).

Almost surely, 2^20496323 is an apocalyptic number.

20496323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20496323 is an equidigital number, since it uses as much as digits as its factorization.

20496323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 20496323 is about 4527.2864941375. The cubic root of 20496323 is about 273.6688195026.

The spelling of 20496323 in words is "twenty million, four hundred ninety-six thousand, three hundred twenty-three".