20303222 has 8 divisors (see below), whose sum is σ = 30756672. Its totient is φ = 10051000.

The previous prime is 20303203. The next prime is 20303249. The reversal of 20303222 is 22230302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20303197 and 20303206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50054 + ... + 50457.

It is an arithmetic number, because the mean of its divisors is an integer number (3844584).

Almost surely, 2^20303222 is an apocalyptic number.

20303222 is a deficient number, since it is larger than the sum of its proper divisors (10453450).

20303222 is a wasteful number, since it uses less digits than its factorization.

20303222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100614.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20303222 is about 4505.9096750823. The cubic root of 20303222 is about 272.8066721077.

Adding to 20303222 its reverse (22230302), we get a palindrome (42533524).

The spelling of 20303222 in words is "twenty million, three hundred three thousand, two hundred twenty-two".