20053433543 has 16 divisors (see below), whose sum is σ = 24319260672. Its totient is φ = 16285212000.

The previous prime is 20053433531. The next prime is 20053433551. The reversal of 20053433543 is 34533435002.

It is a cyclic number.

It is not a de Polignac number, because 20053433543 - 2¹² = 20053429447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053433513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257403 + ... + 2266268.

It is an arithmetic number, because the mean of its divisors is an integer number (1519953792).

Almost surely, 2^20053433543 is an apocalyptic number.

20053433543 is a deficient number, since it is larger than the sum of its proper divisors (4265827129).

20053433543 is a wasteful number, since it uses less digits than its factorization.

20053433543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523726.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 20053433543 its reverse (34533435002), we get a palindrome (54586868545).

The spelling of 20053433543 in words is "twenty billion, fifty-three million, four hundred thirty-three thousand, five hundred forty-three".