20413334566504 has 128 divisors (see below), whose sum is σ = 44458284672000. Its totient is φ = 8689260096000.

The previous prime is 20413334566501. The next prime is 20413334566511. The reversal of 20413334566504 is 40566543331402.

It is not an unprimeable number, because it can be changed into a prime (20413334566501) 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, 602804277 + ... + 602838139.

It is an arithmetic number, because the mean of its divisors is an integer number (347330349000).

Almost surely, 2^{20413334566504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20413334566504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22229142336000).

20413334566504 is an abundant number, since it is smaller than the sum of its proper divisors (24044950105496).

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

20413334566504 is a wasteful number, since it uses less digits than its factorization.

20413334566504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38039 (or 38035 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 46.

Adding to 20413334566504 its reverse (40566543331402), we get a palindrome (60979877897906).

The spelling of 20413334566504 in words is "twenty trillion, four hundred thirteen billion, three hundred thirty-four million, five hundred sixty-six thousand, five hundred four".