20553326211 has 32 divisors (see below), whose sum is σ = 31357099008. Its totient is φ = 11861994240.

The previous prime is 20553326191. The next prime is 20553326237. The reversal of 20553326211 is 11262335502.

It is not a de Polignac number, because 20553326211 - 2⁹ = 20553325699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20553326251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121690 + ... + 236463.

It is an arithmetic number, because the mean of its divisors is an integer number (979909344).

Almost surely, 2^20553326211 is an apocalyptic number.

20553326211 is a deficient number, since it is larger than the sum of its proper divisors (10803772797).

20553326211 is a wasteful number, since it uses less digits than its factorization.

20553326211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358251.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 20553326211 in words is "twenty billion, five hundred fifty-three million, three hundred twenty-six thousand, two hundred eleven".