223020016 has 40 divisors (see below), whose sum is σ = 454151984. Its totient is φ = 105960960.

The previous prime is 223020013. The next prime is 223020089. The reversal of 223020016 is 610020322.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21076 + ... + 29836.

Almost surely, 2^223020016 is an apocalyptic number.

It is an amenable number.

223020016 is an abundant number, since it is smaller than the sum of its proper divisors (231131968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223020016 is a wasteful number, since it uses less digits than its factorization.

223020016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849 (or 8843 counting only the distinct ones).

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

The square root of 223020016 is about 14933.8546932800. The cubic root of 223020016 is about 606.4308423408.

Adding to 223020016 its reverse (610020322), we get a palindrome (833040338).

The spelling of 223020016 in words is "two hundred twenty-three million, twenty thousand, sixteen".