20000201112001 has 24 divisors (see below), whose sum is σ = 23538388353480. Its totient is φ = 16920196423680.

The previous prime is 20000201111987. The next prime is 20000201112011. The reversal of 20000201112001 is 10021110200002.

It can be written as a sum of positive squares in 4 ways, for example, as 9147630495025 + 10852570616976 = 3024505^2 + 3294324^2 .

It is not a de Polignac number, because 20000201112001 - 2¹³ = 20000201103809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20000201112011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54440496 + ... + 54806641.

It is an arithmetic number, because the mean of its divisors is an integer number (980766181395).

Almost surely, 2^{20000201112001} is an apocalyptic number.

It is an amenable number.

20000201112001 is a deficient number, since it is larger than the sum of its proper divisors (3538187241479).

20000201112001 is a wasteful number, since it uses less digits than its factorization.

20000201112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109247265 (or 109247254 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20000201112001 its reverse (10021110200002), we get a palindrome (30021311312003).

The spelling of 20000201112001 in words is "twenty trillion, two hundred one million, one hundred twelve thousand, one".