20144414 has 4 divisors (see below), whose sum is σ = 30216624. Its totient is φ = 10072206.

The previous prime is 20144387. The next prime is 20144417. The reversal of 20144414 is 41444102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5036102 + ... + 5036105.

It is an arithmetic number, because the mean of its divisors is an integer number (7554156).

Almost surely, 2^20144414 is an apocalyptic number.

20144414 is a deficient number, since it is larger than the sum of its proper divisors (10072210).

20144414 is a wasteful number, since it uses less digits than its factorization.

20144414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10072209.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 20144414 is about 4488.2528894883. The cubic root of 20144414 is about 272.0935286059.

Adding to 20144414 its reverse (41444102), we get a palindrome (61588516).

The spelling of 20144414 in words is "twenty million, one hundred forty-four thousand, four hundred fourteen".