14321920 has 72 divisors (see below), whose sum is σ = 35025984. Its totient is φ = 5609472.

The previous prime is 14321903. The next prime is 14321921. The reversal of 14321920 is 2912341.

It is a junction number, because it is equal to n+sod(n) for n = 14321891 and 14321900.

It is not an unprimeable number, because it can be changed into a prime (14321921) 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, 85677 + ... + 85843.

It is an arithmetic number, because the mean of its divisors is an integer number (486472).

Almost surely, 2^14321920 is an apocalyptic number.

14321920 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 14321920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17512992).

14321920 is an abundant number, since it is smaller than the sum of its proper divisors (20704064).

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

14321920 is an equidigital number, since it uses as much as digits as its factorization.

14321920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 14321920 is about 3784.4312650648. The cubic root of 14321920 is about 242.8475619882.

The spelling of 14321920 in words is "fourteen million, three hundred twenty-one thousand, nine hundred twenty".