20104434324 has 144 divisors (see below), whose sum is σ = 57121318800. Its totient is φ = 5919363072.

The previous prime is 20104434289. The next prime is 20104434331. The reversal of 20104434324 is 42343440102.

It is a happy number.

20104434324 is a `hidden beast` number, since 201 + 0 + 4 + 434 + 3 + 24 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5826574224 + 14277860100 = 76332^2 + 119490^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1527082 + ... + 1540190.

It is an arithmetic number, because the mean of its divisors is an integer number (396675825).

Almost surely, 2^20104434324 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 20104434324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28560659400).

20104434324 is an abundant number, since it is smaller than the sum of its proper divisors (37016884476).

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

20104434324 is a wasteful number, since it uses less digits than its factorization.

20104434324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13274 (or 13269 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20104434324 its reverse (42343440102), we get a palindrome (62447874426).

The spelling of 20104434324 in words is "twenty billion, one hundred four million, four hundred thirty-four thousand, three hundred twenty-four".