20228003 has 2 divisors, whose sum is σ = 20228004. Its totient is φ = 20228002.

The previous prime is 20227997. The next prime is 20228041. The reversal of 20228003 is 30082202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20228003 - 2⁸ = 20227747 is a prime.

It is not a weakly prime, because it can be changed into another prime (20228053) 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, 10114001 + 10114002.

It is an arithmetic number, because the mean of its divisors is an integer number (10114002).

Almost surely, 2^20228003 is an apocalyptic number.

20228003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20228003 is an equidigital number, since it uses as much as digits as its factorization.

20228003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20228003 is about 4497.5552247860. Note that the first 3 decimals coincide. The cubic root of 20228003 is about 272.4693588418.

The spelling of 20228003 in words is "twenty million, two hundred twenty-eight thousand, three".