20066911201 has 4 divisors (see below), whose sum is σ = 20407028400. Its totient is φ = 19726794004.

The previous prime is 20066911159. The next prime is 20066911211. The reversal of 20066911201 is 10211966002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20066911201 - 2²⁹ = 19530040289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20066911201.

It is not an unprimeable number, because it can be changed into a prime (20066911211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170058511 + ... + 170058628.

It is an arithmetic number, because the mean of its divisors is an integer number (5101757100).

Almost surely, 2^20066911201 is an apocalyptic number.

It is an amenable number.

20066911201 is a deficient number, since it is larger than the sum of its proper divisors (340117199).

20066911201 is an equidigital number, since it uses as much as digits as its factorization.

20066911201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340117198.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 20066911201 in words is "twenty billion, sixty-six million, nine hundred eleven thousand, two hundred one".