20053431577144 has 24 divisors (see below), whose sum is σ = 43738989792840. Its totient is φ = 8594327818608.

The previous prime is 20053431577087. The next prime is 20053431577163. The reversal of 20053431577144 is 44177513435002.

It is a junction number, because it is equal to n+sod(n) for n = 20053431577094 and 20053431577103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25578356212 + ... + 25578356995.

It is an arithmetic number, because the mean of its divisors is an integer number (1822457908035).

Almost surely, 2^{20053431577144} is an apocalyptic number.

It is an amenable number.

20053431577144 is an abundant number, since it is smaller than the sum of its proper divisors (23685558215696).

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

20053431577144 is a wasteful number, since it uses less digits than its factorization.

20053431577144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51156713227 (or 51156713216 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 20053431577144 in words is "twenty trillion, fifty-three billion, four hundred thirty-one million, five hundred seventy-seven thousand, one hundred forty-four".