20225333 has 4 divisors (see below), whose sum is σ = 20236320. Its totient is φ = 20214348.

The previous prime is 20225327. The next prime is 20225353. The reversal of 20225333 is 33352202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20225333 - 2⁸ = 20225077 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 3 ways as a sum of consecutive naturals, for example, 1985 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (5059080).

Almost surely, 2^20225333 is an apocalyptic number.

It is an amenable number.

20225333 is a deficient number, since it is larger than the sum of its proper divisors (10987).

20225333 is an equidigital number, since it uses as much as digits as its factorization.

20225333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 20225333 is about 4497.2583870621. The cubic root of 20225333 is about 272.4573700953.

Adding to 20225333 its reverse (33352202), we get a palindrome (53577535).

The spelling of 20225333 in words is "twenty million, two hundred twenty-five thousand, three hundred thirty-three".