220020016 has 40 divisors (see below), whose sum is σ = 433548144. Its totient is φ = 108153600.

The previous prime is 220020011. The next prime is 220020037. The reversal of 220020016 is 610020022.

It is a happy number.

220020016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220019978 and 220020005.

It is not an unprimeable number, because it can be changed into a prime (220020011) 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, 279175 + ... + 279961.

Almost surely, 2^220020016 is an apocalyptic number.

It is an amenable number.

220020016 is a deficient number, since it is larger than the sum of its proper divisors (213528128).

220020016 is a wasteful number, since it uses less digits than its factorization.

220020016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220020016 is about 14833.0716980671. The cubic root of 220020016 is about 603.6993811251.

Adding to 220020016 its reverse (610020022), we get a palindrome (830040038).

The spelling of 220020016 in words is "two hundred twenty million, twenty thousand, sixteen".