16020223 has 4 divisors (see below), whose sum is σ = 16453240. Its totient is φ = 15587208.

The previous prime is 16020203. The next prime is 16020233. The reversal of 16020223 is 32202061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16020223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16020197 and 16020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216453 + ... + 216526.

It is an arithmetic number, because the mean of its divisors is an integer number (4113310).

Almost surely, 2^16020223 is an apocalyptic number.

16020223 is a deficient number, since it is larger than the sum of its proper divisors (433017).

16020223 is an equidigital number, since it uses as much as digits as its factorization.

16020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433016.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 16020223 is about 4002.5270767354. The cubic root of 16020223 is about 252.0903293796.

Adding to 16020223 its reverse (32202061), we get a palindrome (48222284).

The spelling of 16020223 in words is "sixteen million, twenty thousand, two hundred twenty-three".