20053235434044 has 24 divisors (see below), whose sum is σ = 48404361393360. Its totient is φ = 6453914852224.

The previous prime is 20053235434033. The next prime is 20053235434051. The reversal of 20053235434044 is 44043453235002.

It is a junction number, because it is equal to n+sod(n) for n = 20053235433993 and 20053235434011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28812119529 + ... + 28812120224.

It is an arithmetic number, because the mean of its divisors is an integer number (2016848391390).

Almost surely, 2^{20053235434044} is an apocalyptic number.

It is an amenable number.

20053235434044 is an abundant number, since it is smaller than the sum of its proper divisors (28351125959316).

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

20053235434044 is a wasteful number, since it uses less digits than its factorization.

20053235434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57624239789 (or 57624239787 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 39.

Adding to 20053235434044 its reverse (44043453235002), we get a palindrome (64096688669046).

The spelling of 20053235434044 in words is "twenty trillion, fifty-three billion, two hundred thirty-five million, four hundred thirty-four thousand, forty-four".