20134112111344 has 40 divisors (see below), whose sum is σ = 48635647440768. Its totient is φ = 7844459263680.

The previous prime is 20134112111341. The next prime is 20134112111357. The reversal of 20134112111344 is 44311121143102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134112111341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8171310502 + ... + 8171312965.

Almost surely, 2^{20134112111344} is an apocalyptic number.

It is an amenable number.

20134112111344 is an abundant number, since it is smaller than the sum of its proper divisors (28501535329424).

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

20134112111344 is a wasteful number, since it uses less digits than its factorization.

20134112111344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16342623493 (or 16342623487 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 20134112111344 its reverse (44311121143102), we get a palindrome (64445233254446).

The spelling of 20134112111344 in words is "twenty trillion, one hundred thirty-four billion, one hundred twelve million, one hundred eleven thousand, three hundred forty-four".