20041171633 has 64 divisors (see below), whose sum is σ = 26112430080. Its totient is φ = 14970009600.

The previous prime is 20041171547. The next prime is 20041171651. The reversal of 20041171633 is 33617114002.

It is not a de Polignac number, because 20041171633 - 2²¹ = 20039074481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20041171133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21029085 + ... + 21030037.

It is an arithmetic number, because the mean of its divisors is an integer number (408006720).

Almost surely, 2^20041171633 is an apocalyptic number.

It is an amenable number.

20041171633 is a deficient number, since it is larger than the sum of its proper divisors (6071258447).

20041171633 is a wasteful number, since it uses less digits than its factorization.

20041171633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 20041171633 its reverse (33617114002), we get a palindrome (53658285635).

The spelling of 20041171633 in words is "twenty billion, forty-one million, one hundred seventy-one thousand, six hundred thirty-three".