14111820 has 120 divisors (see below), whose sum is σ = 45859968. Its totient is φ = 3628800.

The previous prime is 14111809. The next prime is 14111827. The reversal of 14111820 is 2811141.

14111820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14111793 and 14111802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14111827) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50080 + ... + 50360.

Almost surely, 2^14111820 is an apocalyptic number.

14111820 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 14111820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22929984).

14111820 is an abundant number, since it is smaller than the sum of its proper divisors (31748148).

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

14111820 is a wasteful number, since it uses less digits than its factorization.

14111820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 14111820 is about 3756.5702442521. The cubic root of 14111820 is about 241.6541972692.

Adding to 14111820 its reverse (2811141), we get a palindrome (16922961).

The spelling of 14111820 in words is "fourteen million, one hundred eleven thousand, eight hundred twenty".