20334304404 has 72 divisors (see below), whose sum is σ = 52682738472. Its totient is φ = 6609208320.

The previous prime is 20334304379. The next prime is 20334304423. The reversal of 20334304404 is 40440343302.

20334304404 is a `hidden beast` number, since 20 + 334 + 304 + 4 + 0 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 887444100 + 19446860304 = 29790^2 + 139452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5065102 + ... + 5069114.

It is an arithmetic number, because the mean of its divisors is an integer number (731704701).

Almost surely, 2^20334304404 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 20334304404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26341369236).

20334304404 is an abundant number, since it is smaller than the sum of its proper divisors (32348434068).

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

20334304404 is a wasteful number, since it uses less digits than its factorization.

20334304404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497 (or 7492 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20334304404 its reverse (40440343302), we get a palindrome (60774647706).

The spelling of 20334304404 in words is "twenty billion, three hundred thirty-four million, three hundred four thousand, four hundred four".