20313552463443 has 6 divisors (see below), whose sum is σ = 29341798002764. Its totient is φ = 13542368308956.

The previous prime is 20313552463423. The next prime is 20313552463453. The reversal of 20313552463443 is 34436425531302.

20313552463443 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 3 + 5 + 5 + 2 + 4 + 634 + 4 + 3 = 666.

It is not a de Polignac number, because 20313552463443 - 2⁵ = 20313552463411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313552463423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128530692405 + ... + 1128530692422.

Almost surely, 2^{20313552463443} is an apocalyptic number.

20313552463443 is a deficient number, since it is larger than the sum of its proper divisors (9028245539321).

20313552463443 is a wasteful number, since it uses less digits than its factorization.

20313552463443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257061384833 (or 2257061384830 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 45.

Adding to 20313552463443 its reverse (34436425531302), we get a palindrome (54749977994745).

The spelling of 20313552463443 in words is "twenty trillion, three hundred thirteen billion, five hundred fifty-two million, four hundred sixty-three thousand, four hundred forty-three".