14631220 has 48 divisors (see below), whose sum is σ = 33965568. Its totient is φ = 5265920.

The previous prime is 14631217. The next prime is 14631247. The reversal of 14631220 is 2213641.

14631220 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 15 ways as a sum of consecutive naturals, for example, 6885 + ... + 8755.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 2^14631220 is an apocalyptic number.

14631220 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 14631220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16982784).

14631220 is an abundant number, since it is smaller than the sum of its proper divisors (19334348).

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

14631220 is a wasteful number, since it uses less digits than its factorization.

14631220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 14631220 is about 3825.0777769870. The cubic root of 14631220 is about 244.5833261908.

Adding to 14631220 its reverse (2213641), we get a palindrome (16844861).

The spelling of 14631220 in words is "fourteen million, six hundred thirty-one thousand, two hundred twenty".