20311322201 has 8 divisors (see below), whose sum is σ = 20339514624. Its totient is φ = 20283151680.

The previous prime is 20311322173. The next prime is 20311322263. The reversal of 20311322201 is 10222311302.

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 20311322201 - 2⁶ = 20311322137 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 20311322201.

It is not an unprimeable number, because it can be changed into a prime (20311328201) 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, 2671916 + ... + 2679506.

It is an arithmetic number, because the mean of its divisors is an integer number (2542439328).

Almost surely, 2^20311322201 is an apocalyptic number.

It is an amenable number.

20311322201 is a deficient number, since it is larger than the sum of its proper divisors (28192423).

20311322201 is a wasteful number, since it uses less digits than its factorization.

20311322201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10951.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20311322201 its reverse (10222311302), we get a palindrome (30533633503).

The spelling of 20311322201 in words is "twenty billion, three hundred eleven million, three hundred twenty-two thousand, two hundred one".