20140242553430 has 16 divisors (see below), whose sum is σ = 38160459575280. Its totient is φ = 7632091914912.

The previous prime is 20140242553397. The next prime is 20140242553433. The reversal of 20140242553430 is 3435524204102.

It is a happy number.

It is a super-2 number, since 2×20140242553430² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140242553433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53000638109 + ... + 53000638488.

It is an arithmetic number, because the mean of its divisors is an integer number (2385028723455).

Almost surely, 2^{20140242553430} is an apocalyptic number.

20140242553430 is a deficient number, since it is larger than the sum of its proper divisors (18020217021850).

20140242553430 is a wasteful number, since it uses less digits than its factorization.

20140242553430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106001276623.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 20140242553430 its reverse (3435524204102), we get a palindrome (23575766757532).

The spelling of 20140242553430 in words is "twenty trillion, one hundred forty billion, two hundred forty-two million, five hundred fifty-three thousand, four hundred thirty".