20322269 has 8 divisors (see below), whose sum is σ = 22203840. Its totient is φ = 18446400.

The previous prime is 20322257. The next prime is 20322299. The reversal of 20322269 is 96222302.

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

It is a cyclic number.

It is not a de Polignac number, because 20322269 - 2¹² = 20318173 is a prime.

It is a super-2 number, since 2×20322269² = 825989234616722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10184 + ... + 12014.

It is an arithmetic number, because the mean of its divisors is an integer number (2775480).

Almost surely, 2^20322269 is an apocalyptic number.

It is an amenable number.

20322269 is a deficient number, since it is larger than the sum of its proper divisors (1881571).

20322269 is a wasteful number, since it uses less digits than its factorization.

20322269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20322269 is about 4508.0227372985. The cubic root of 20322269 is about 272.8919545430.

The spelling of 20322269 in words is "twenty million, three hundred twenty-two thousand, two hundred sixty-nine".