20134024311321 has 32 divisors (see below), whose sum is σ = 30545249454720. Its totient is φ = 13102574651712.

The previous prime is 20134024311319. The next prime is 20134024311343. The reversal of 20134024311321 is 12311342043102.

20134024311321 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 4 + 0 + 24 + 311 + 321 = 666.

It is not a de Polignac number, because 20134024311321 - 2¹ = 20134024311319 is a prime.

It is a super-3 number, since 3×20134024311321³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20134024321321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35428495 + ... + 35992308.

It is an arithmetic number, because the mean of its divisors is an integer number (954539045460).

Almost surely, 2^{20134024311321} is an apocalyptic number.

It is an amenable number.

20134024311321 is a deficient number, since it is larger than the sum of its proper divisors (10411225143399).

20134024311321 is a wasteful number, since it uses less digits than its factorization.

20134024311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71421062 (or 71421056 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20134024311321 its reverse (12311342043102), we get a palindrome (32445366354423).

The spelling of 20134024311321 in words is "twenty trillion, one hundred thirty-four billion, twenty-four million, three hundred eleven thousand, three hundred twenty-one".