20199327 has 4 divisors (see below), whose sum is σ = 26932440. Its totient is φ = 13466216.

The previous prime is 20199271. The next prime is 20199329. The reversal of 20199327 is 72399102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20199327 - 2¹¹ = 20197279 is a prime.

It is a super-2 number, since 2×20199327² = 816025622505858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20199329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366552 + ... + 3366557.

It is an arithmetic number, because the mean of its divisors is an integer number (6733110).

Almost surely, 2^20199327 is an apocalyptic number.

20199327 is a deficient number, since it is larger than the sum of its proper divisors (6733113).

20199327 is an equidigital number, since it uses as much as digits as its factorization.

20199327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733112.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 20199327 is about 4494.3661399579. The cubic root of 20199327 is about 272.3405435817.

The spelling of 20199327 in words is "twenty million, one hundred ninety-nine thousand, three hundred twenty-seven".