20011000200201 has 32 divisors (see below), whose sum is σ = 29674209168000. Its totient is φ = 13327944436224.

The previous prime is 20011000200187. The next prime is 20011000200259. The reversal of 20011000200201 is 10200200011002.

It is not a de Polignac number, because 20011000200201 - 2¹¹ = 20011000198153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20011000200281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150927105 + ... + 151059633.

It is an arithmetic number, because the mean of its divisors is an integer number (927319036500).

Almost surely, 2^{20011000200201} is an apocalyptic number.

It is an amenable number.

20011000200201 is a deficient number, since it is larger than the sum of its proper divisors (9663208967799).

20011000200201 is a wasteful number, since it uses less digits than its factorization.

20011000200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137830 (or 137824 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20011000200201 its reverse (10200200011002), we get a palindrome (30211200211203).

The spelling of 20011000200201 in words is "twenty trillion, eleven billion, two hundred thousand, two hundred one".