20414304 has 72 divisors (see below), whose sum is σ = 58909032. Its totient is φ = 6704640.

The previous prime is 20414287. The next prime is 20414327. The reversal of 20414304 is 40341402.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20539 + ... + 21509.

It is an arithmetic number, because the mean of its divisors is an integer number (818181).

Almost surely, 2^20414304 is an apocalyptic number.

20414304 is a gapful number since it is divisible by the number (24) 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 20414304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29454516).

20414304 is an abundant number, since it is smaller than the sum of its proper divisors (38494728).

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

20414304 is a wasteful number, since it uses less digits than its factorization.

20414304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20414304 is about 4518.2191181925. The cubic root of 20414304 is about 273.3032897113.

Adding to 20414304 its reverse (40341402), we get a palindrome (60755706).

The spelling of 20414304 in words is "twenty million, four hundred fourteen thousand, three hundred four".