14000220 has 144 divisors (see below), whose sum is σ = 47453952. Its totient is φ = 3317760.

The previous prime is 14000209. The next prime is 14000221. The reversal of 14000220 is 2200041.

14000220 = 572² + 573² + ... + 611².

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72444 + ... + 72636.

Almost surely, 2^14000220 is an apocalyptic number.

14000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23726976).

14000220 is an abundant number, since it is smaller than the sum of its proper divisors (33453732).

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

14000220 is a wasteful number, since it uses less digits than its factorization.

14000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 14000220 is about 3741.6867853951. The cubic root of 14000220 is about 241.0154888664.

Adding to 14000220 its reverse (2200041), we get a palindrome (16200261).

The spelling of 14000220 in words is "fourteen million, two hundred twenty", and thus it is an aban number.