20313112201 has 16 divisors (see below), whose sum is σ = 22045035600. Its totient is φ = 18641387520.

The previous prime is 20313112177. The next prime is 20313112207. The reversal of 20313112201 is 10221131302.

It can be written as a sum of positive squares in 8 ways, for example, as 2951096976 + 17362015225 = 54324^2 + 131765^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313112201 - 2²⁷ = 20178894473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20313112207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398625 + ... + 1413073.

It is an arithmetic number, because the mean of its divisors is an integer number (1377814725).

Almost surely, 2^20313112201 is an apocalyptic number.

It is an amenable number.

20313112201 is a deficient number, since it is larger than the sum of its proper divisors (1731923399).

20313112201 is a wasteful number, since it uses less digits than its factorization.

20313112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524.

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

Adding to 20313112201 its reverse (10221131302), we get a palindrome (30534243503).

The spelling of 20313112201 in words is "twenty billion, three hundred thirteen million, one hundred twelve thousand, two hundred one".