16000220 has 12 divisors (see below), whose sum is σ = 33600504. Its totient is φ = 6400080.

The previous prime is 16000211. The next prime is 16000253. The reversal of 16000220 is 2200061.

16000220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 399986 + ... + 400025.

It is an arithmetic number, because the mean of its divisors is an integer number (2800042).

Almost surely, 2^16000220 is an apocalyptic number.

16000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16000220 is an abundant number, since it is smaller than the sum of its proper divisors (17600284).

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

16000220 is a wasteful number, since it uses less digits than its factorization.

16000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800020 (or 800018 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 16000220 is about 4000.0274999055. The cubic root of 16000220 is about 251.9853649013.

Adding to 16000220 its reverse (2200061), we get a palindrome (18200281).

The spelling of 16000220 in words is "sixteen million, two hundred twenty", and thus it is an aban number.