20044532213 has 16 divisors (see below), whose sum is σ = 20644315776. Its totient is φ = 19454111040.

The previous prime is 20044532191. The next prime is 20044532237. The reversal of 20044532213 is 31223544002.

It is a cyclic number.

It is not a de Polignac number, because 20044532213 - 2⁶ = 20044532149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044532293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1862195 + ... + 1872927.

It is an arithmetic number, because the mean of its divisors is an integer number (1290269736).

Almost surely, 2^20044532213 is an apocalyptic number.

It is an amenable number.

20044532213 is a deficient number, since it is larger than the sum of its proper divisors (599783563).

20044532213 is a wasteful number, since it uses less digits than its factorization.

20044532213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164.

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 20044532213 in words is "twenty billion, forty-four million, five hundred thirty-two thousand, two hundred thirteen".