14405020 has 36 divisors (see below), whose sum is σ = 35191800. Its totient is φ = 4938528.

The previous prime is 14405009. The next prime is 14405023. The reversal of 14405020 is 2050441.

It is a junction number, because it is equal to n+sod(n) for n = 14404985 and 14405003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14405023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6370 + ... + 8329.

It is an arithmetic number, because the mean of its divisors is an integer number (977550).

Almost surely, 2^14405020 is an apocalyptic number.

14405020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14405020 is an abundant number, since it is smaller than the sum of its proper divisors (20786780).

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

14405020 is a wasteful number, since it uses less digits than its factorization.

14405020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14722 (or 14713 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 14405020 is about 3795.3945776428. The cubic root of 14405020 is about 243.3163475143.

Adding to 14405020 its reverse (2050441), we get a palindrome (16455461).

The spelling of 14405020 in words is "fourteen million, four hundred five thousand, twenty".