20005032204405 has 192 divisors, whose sum is σ = 36832128453120. Its totient is φ = 10033233205248.

The previous prime is 20005032204389. The next prime is 20005032204413. The reversal of 20005032204405 is 50440223050002.

It is a happy number.

20005032204405 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 50 + 3 + 2 + 204 + 405 = 666.

It is not a de Polignac number, because 20005032204405 - 2⁴ = 20005032204389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1252419999 + ... + 1252435971.

It is an arithmetic number, because the mean of its divisors is an integer number (191834002360).

Almost surely, 2^{20005032204405} is an apocalyptic number.

It is an amenable number.

20005032204405 is a deficient number, since it is larger than the sum of its proper divisors (16827096248715).

20005032204405 is a wasteful number, since it uses less digits than its factorization.

20005032204405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16300 (or 16297 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 20005032204405 its reverse (50440223050002), we get a palindrome (70445255254407).

The spelling of 20005032204405 in words is "twenty trillion, five billion, thirty-two million, two hundred four thousand, four hundred five".