20321300011 has 4 divisors (see below), whose sum is σ = 20321772400. Its totient is φ = 20320827624.

The previous prime is 20321299931. The next prime is 20321300053. The reversal of 20321300011 is 11000312302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20321300011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20321299964 and 20321300000.

It is not an unprimeable number, because it can be changed into a prime (20321300611) 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, 164391 + ... + 260128.

It is an arithmetic number, because the mean of its divisors is an integer number (5080443100).

Almost surely, 2^20321300011 is an apocalyptic number.

20321300011 is a deficient number, since it is larger than the sum of its proper divisors (472389).

20321300011 is an equidigital number, since it uses as much as digits as its factorization.

20321300011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472388.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20321300011 its reverse (11000312302), we get a palindrome (31321612313).

The spelling of 20321300011 in words is "twenty billion, three hundred twenty-one million, three hundred thousand, eleven".