20814883 has 2 divisors, whose sum is σ = 20814884. Its totient is φ = 20814882.

The previous prime is 20814869. The next prime is 20814887. The reversal of 20814883 is 38841802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20814883 - 2⁹ = 20814371 is a prime.

It is not a weakly prime, because it can be changed into another prime (20814887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10407441 + 10407442.

It is an arithmetic number, because the mean of its divisors is an integer number (10407442).

Almost surely, 2^20814883 is an apocalyptic number.

20814883 is a deficient number, since it is larger than the sum of its proper divisors (1).

20814883 is an equidigital number, since it uses as much as digits as its factorization.

20814883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 20814883 is about 4562.3330654392. Note that the first 3 decimals coincide. The cubic root of 20814883 is about 275.0793512057.

The spelling of 20814883 in words is "twenty million, eight hundred fourteen thousand, eight hundred eighty-three".