20143421301344 has 48 divisors (see below), whose sum is σ = 43264627531776. Its totient is φ = 9155666256000.

The previous prime is 20143421301343. The next prime is 20143421301347. The reversal of 20143421301344 is 44310312434102.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20143421301344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143421301343) 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, 6132269 + ... + 8825619.

It is an arithmetic number, because the mean of its divisors is an integer number (901346406912).

Almost surely, 2^{20143421301344} is an apocalyptic number.

It is an amenable number.

20143421301344 is an abundant number, since it is smaller than the sum of its proper divisors (23121206230432).

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

20143421301344 is a wasteful number, since it uses less digits than its factorization.

20143421301344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714619 (or 2714611 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 20143421301344 its reverse (44310312434102), we get a palindrome (64453733735446).

The spelling of 20143421301344 in words is "twenty trillion, one hundred forty-three billion, four hundred twenty-one million, three hundred one thousand, three hundred forty-four".