20140334240430 has 64 divisors (see below), whose sum is σ = 48609531432000. Its totient is φ = 5340483262464.

The previous prime is 20140334240399. The next prime is 20140334240431. The reversal of 20140334240430 is 3404243304102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140334240431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9543196 + ... + 11460944.

It is an arithmetic number, because the mean of its divisors is an integer number (759523928625).

Almost surely, 2^{20140334240430} is an apocalyptic number.

20140334240430 is an abundant number, since it is smaller than the sum of its proper divisors (28469197191570).

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

20140334240430 is a wasteful number, since it uses less digits than its factorization.

20140334240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919733.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 20140334240430 its reverse (3404243304102), we get a palindrome (23544577544532).

The spelling of 20140334240430 in words is "twenty trillion, one hundred forty billion, three hundred thirty-four million, two hundred forty thousand, four hundred thirty".