14220443420 has 24 divisors (see below), whose sum is σ = 29865265584. Its totient is φ = 5687732736.

The previous prime is 14220443389. The next prime is 14220443423. The reversal of 14220443420 is 2434402241.

It is a happy number.

It is a super-2 number, since 2×14220443420² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14220443420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220443423) 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, 381452 + ... + 417068.

It is an arithmetic number, because the mean of its divisors is an integer number (1244386066).

Almost surely, 2^14220443420 is an apocalyptic number.

14220443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14220443420 is an abundant number, since it is smaller than the sum of its proper divisors (15644822164).

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

14220443420 is a wasteful number, since it uses less digits than its factorization.

14220443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55589 (or 55587 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 14220443420 its reverse (2434402241), we get a palindrome (16654845661).

The spelling of 14220443420 in words is "fourteen billion, two hundred twenty million, four hundred forty-three thousand, four hundred twenty".