20321040211 has 8 divisors (see below), whose sum is σ = 20893201344. Its totient is φ = 19750086720.

The previous prime is 20321040197. The next prime is 20321040217. The reversal of 20321040211 is 11204012302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20321040211 - 2¹¹ = 20321038163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20321040217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267730 + ... + 335143.

It is an arithmetic number, because the mean of its divisors is an integer number (2611650168).

Almost surely, 2^20321040211 is an apocalyptic number.

20321040211 is a deficient number, since it is larger than the sum of its proper divisors (572161133).

20321040211 is an equidigital number, since it uses as much as digits as its factorization.

20321040211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603821.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20321040211 its reverse (11204012302), we get a palindrome (31525052513).

The spelling of 20321040211 in words is "twenty billion, three hundred twenty-one million, forty thousand, two hundred eleven".