14180020 has 24 divisors (see below), whose sum is σ = 30739968. Its totient is φ = 5488800.

The previous prime is 14180003. The next prime is 14180027. The reversal of 14180020 is 2008141.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 14179976 and 14180003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14180027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10816 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (1280832).

Almost surely, 2^14180020 is an apocalyptic number.

14180020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14180020 is an abundant number, since it is smaller than the sum of its proper divisors (16559948).

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

14180020 is a wasteful number, since it uses less digits than its factorization.

14180020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22911 (or 22909 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 14180020 is about 3765.6367323469. The cubic root of 14180020 is about 242.0428628856.

Adding to 14180020 its reverse (2008141), we get a palindrome (16188161).

The spelling of 14180020 in words is "fourteen million, one hundred eighty thousand, twenty".