20043543354352 has 20 divisors (see below), whose sum is σ = 44382131713456. Its totient is φ = 8590090008960.

The previous prime is 20043543354349. The next prime is 20043543354389. The reversal of 20043543354352 is 25345334534002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20043543354299 and 20043543354308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89480104149 + ... + 89480104372.

Almost surely, 2^{20043543354352} is an apocalyptic number.

It is an amenable number.

20043543354352 is an abundant number, since it is smaller than the sum of its proper divisors (24338588359104).

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

20043543354352 is a wasteful number, since it uses less digits than its factorization.

20043543354352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178960208536 (or 178960208530 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 43.

Adding to 20043543354352 its reverse (25345334534002), we get a palindrome (45388877888354).

The spelling of 20043543354352 in words is "twenty trillion, forty-three billion, five hundred forty-three million, three hundred fifty-four thousand, three hundred fifty-two".