20001113201 has 8 divisors (see below), whose sum is σ = 20229228360. Its totient is φ = 19773073408.

The previous prime is 20001113179. The next prime is 20001113227. The reversal of 20001113201 is 10231110002.

It can be written as a sum of positive squares in 4 ways, for example, as 310288225 + 19690824976 = 17615^2 + 140324^2 .

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 20001113201 - 2²² = 19996918897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001113281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648605 + ... + 678741.

It is an arithmetic number, because the mean of its divisors is an integer number (2528653545).

Almost surely, 2^20001113201 is an apocalyptic number.

It is an amenable number.

20001113201 is a deficient number, since it is larger than the sum of its proper divisors (228115159).

20001113201 is an equidigital number, since it uses as much as digits as its factorization.

20001113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37683.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20001113201 its reverse (10231110002), we get a palindrome (30232223203).

The spelling of 20001113201 in words is "twenty billion, one million, one hundred thirteen thousand, two hundred one".