20012304023344 has 160 divisors (see below), whose sum is σ = 42493833792000. Its totient is φ = 9103377457152.

The previous prime is 20012304023333. The next prime is 20012304023399. The reversal of 20012304023344 is 44332040321002.

It is an unprimeable number.

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, 143728992 + ... + 143868160.

It is an arithmetic number, because the mean of its divisors is an integer number (265586461200).

Almost surely, 2^{20012304023344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012304023344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21246916896000).

20012304023344 is an abundant number, since it is smaller than the sum of its proper divisors (22481529768656).

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

20012304023344 is a wasteful number, since it uses less digits than its factorization.

20012304023344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139475 (or 139469 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20012304023344 its reverse (44332040321002), we get a palindrome (64344344344346).

The spelling of 20012304023344 in words is "twenty trillion, twelve billion, three hundred four million, twenty-three thousand, three hundred forty-four".