20231321201 has 48 divisors (see below), whose sum is σ = 26405092224. Its totient is φ = 15092345088.

The previous prime is 20231321179. The next prime is 20231321213. The reversal of 20231321201 is 10212313202.

It is not a de Polignac number, because 20231321201 - 2¹⁴ = 20231304817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231321201.

It is not an unprimeable number, because it can be changed into a prime (20231323201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7455821 + ... + 7458533.

It is an arithmetic number, because the mean of its divisors is an integer number (550106088).

Almost surely, 2^20231321201 is an apocalyptic number.

It is an amenable number.

20231321201 is a deficient number, since it is larger than the sum of its proper divisors (6173771023).

20231321201 is a wasteful number, since it uses less digits than its factorization.

20231321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2979 counting only the distinct ones).

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

Adding to 20231321201 its reverse (10212313202), we get a palindrome (30443634403).

The spelling of 20231321201 in words is "twenty billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred one".