20330222 has 8 divisors (see below), whose sum is σ = 33267672. Its totient is φ = 9241000.

The previous prime is 20330207. The next prime is 20330237. The reversal of 20330222 is 22203302.

It is an interprime number because it is at equal distance from previous prime (20330207) and next prime (20330237).

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 = 20330197 and 20330206.

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, 462029 + ... + 462072.

It is an arithmetic number, because the mean of its divisors is an integer number (4158459).

Almost surely, 2^20330222 is an apocalyptic number.

20330222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20330222 is a deficient number, since it is larger than the sum of its proper divisors (12937450).

20330222 is a wasteful number, since it uses less digits than its factorization.

20330222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924114.

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

The square root of 20330222 is about 4508.9047450573. The cubic root of 20330222 is about 272.9275481187.

Adding to 20330222 its reverse (22203302), we get a palindrome (42533524).

Subtracting 20330222 from its reverse (22203302), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 20330222 in words is "twenty million, three hundred thirty thousand, two hundred twenty-two".