20310213211 has 8 divisors (see below), whose sum is σ = 20600487648. Its totient is φ = 20020056000.

The previous prime is 20310213163. The next prime is 20310213221. The reversal of 20310213211 is 11231201302.

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 20310213211 - 2⁷ = 20310213083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310213221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355471 + ... + 408631.

It is an arithmetic number, because the mean of its divisors is an integer number (2575060956).

Almost surely, 2^20310213211 is an apocalyptic number.

20310213211 is a deficient number, since it is larger than the sum of its proper divisors (290274437).

20310213211 is an equidigital number, since it uses as much as digits as its factorization.

20310213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58613.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20310213211 its reverse (11231201302), we get a palindrome (31541414513).

The spelling of 20310213211 in words is "twenty billion, three hundred ten million, two hundred thirteen thousand, two hundred eleven".