20001120002201 has 8 divisors (see below), whose sum is σ = 21541961476224. Its totient is φ = 18460606211280.

The previous prime is 20001120002183. The next prime is 20001120002207. The reversal of 20001120002201 is 10220002110002.

It is a happy number.

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 20001120002201 - 2²⁶ = 20001052893337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20001120002207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81793991 + ... + 82038156.

It is an arithmetic number, because the mean of its divisors is an integer number (2692745184528).

Almost surely, 2^{20001120002201} is an apocalyptic number.

It is an amenable number.

20001120002201 is a deficient number, since it is larger than the sum of its proper divisors (1540841474023).

20001120002201 is a wasteful number, since it uses less digits than its factorization.

20001120002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163841551.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001120002201 its reverse (10220002110002), we get a palindrome (30221122112203).

The spelling of 20001120002201 in words is "twenty trillion, one billion, one hundred twenty million, two thousand, two hundred one".