20225303 has 16 divisors (see below), whose sum is σ = 24261120. Its totient is φ = 16485216.

The previous prime is 20225297. The next prime is 20225311. The reversal of 20225303 is 30352202.

It is a cyclic number.

It is not a de Polignac number, because 20225303 - 2⁴ = 20225287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225353) 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 in 15 ways as a sum of consecutive naturals, for example, 43076 + ... + 43542.

It is an arithmetic number, because the mean of its divisors is an integer number (1516320).

Almost surely, 2^20225303 is an apocalyptic number.

20225303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20225303 is a deficient number, since it is larger than the sum of its proper divisors (4035817).

20225303 is a wasteful number, since it uses less digits than its factorization.

20225303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 20225303 is about 4497.2550516954. The cubic root of 20225303 is about 272.4572353843.

Adding to 20225303 its reverse (30352202), we get a palindrome (50577505).

The spelling of 20225303 in words is "twenty million, two hundred twenty-five thousand, three hundred three".