20320311301 has 4 divisors (see below), whose sum is σ = 20521502604. Its totient is φ = 20119120000.

The previous prime is 20320311299. The next prime is 20320311367. The reversal of 20320311301 is 10311302302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17849227201 + 2471084100 = 133601^2 + 49710^2 .

It is a cyclic number.

It is not a de Polignac number, because 20320311301 - 2¹ = 20320311299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320311371) 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 3 ways as a sum of consecutive naturals, for example, 100595500 + ... + 100595701.

It is an arithmetic number, because the mean of its divisors is an integer number (5130375651).

Almost surely, 2^20320311301 is an apocalyptic number.

It is an amenable number.

20320311301 is a deficient number, since it is larger than the sum of its proper divisors (201191303).

20320311301 is a wasteful number, since it uses less digits than its factorization.

20320311301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201191302.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20320311301 its reverse (10311302302), we get a palindrome (30631613603).

The spelling of 20320311301 in words is "twenty billion, three hundred twenty million, three hundred eleven thousand, three hundred one".