20545305144344 has 16 divisors (see below), whose sum is σ = 40788473448600. Its totient is φ = 9668378891392.

The previous prime is 20545305144311. The next prime is 20545305144359. The reversal of 20545305144344 is 44344150354502.

It is a junction number, because it is equal to n+sod(n) for n = 20545305144295 and 20545305144304.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 75534209954 + ... + 75534210225.

Almost surely, 2^{20545305144344} is an apocalyptic number.

It is an amenable number.

20545305144344 is a deficient number, since it is larger than the sum of its proper divisors (20243168304256).

20545305144344 is a wasteful number, since it uses less digits than its factorization.

20545305144344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151068420202 (or 151068420198 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 20545305144344 its reverse (44344150354502), we get a palindrome (64889455498846).

The spelling of 20545305144344 in words is "twenty trillion, five hundred forty-five billion, three hundred five million, one hundred forty-four thousand, three hundred forty-four".