16820327 has 8 divisors (see below), whose sum is σ = 17856576. Its totient is φ = 15789312.

The previous prime is 16820317. The next prime is 16820333. The reversal of 16820327 is 72302861.

It is a happy number.

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 16820327 - 2⁸ = 16820071 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 16820327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16820317) 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, 6803 + ... + 8939.

It is an arithmetic number, because the mean of its divisors is an integer number (2232072).

Almost surely, 2^16820327 is an apocalyptic number.

16820327 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16820327 is a deficient number, since it is larger than the sum of its proper divisors (1036249).

16820327 is a wasteful number, since it uses less digits than its factorization.

16820327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 16820327 is about 4101.2591968809. The cubic root of 16820327 is about 256.2190863362.

The spelling of 16820327 in words is "sixteen million, eight hundred twenty thousand, three hundred twenty-seven".