220016312 has 16 divisors (see below), whose sum is σ = 436797360. Its totient is φ = 103537024.

The previous prime is 220016299. The next prime is 220016323. The reversal of 220016312 is 213610022.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808748 + ... + 809019.

It is an arithmetic number, because the mean of its divisors is an integer number (27299835).

Almost surely, 2^220016312 is an apocalyptic number.

It is an amenable number.

220016312 is a deficient number, since it is larger than the sum of its proper divisors (216781048).

220016312 is a wasteful number, since it uses less digits than its factorization.

220016312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617790 (or 1617786 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 220016312 is about 14832.9468414068. The cubic root of 220016312 is about 603.6959933802.

Adding to 220016312 its reverse (213610022), we get a palindrome (433626334).

The spelling of 220016312 in words is "two hundred twenty million, sixteen thousand, three hundred twelve".