20002011220001 has 8 divisors (see below), whose sum is σ = 20017752780480. Its totient is φ = 19986272077968.

The previous prime is 20002011219943. The next prime is 20002011220003. The reversal of 20002011220001 is 10002211020002.

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 20002011220001 - 2¹⁰ = 20002011218977 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 (20002011220003) 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, 16124975 + ... + 17321051.

It is an arithmetic number, because the mean of its divisors is an integer number (2502219097560).

Almost surely, 2^{20002011220001} is an apocalyptic number.

It is an amenable number.

20002011220001 is a deficient number, since it is larger than the sum of its proper divisors (15741560479).

20002011220001 is a wasteful number, since it uses less digits than its factorization.

20002011220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209223.

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

Adding to 20002011220001 its reverse (10002211020002), we get a palindrome (30004222240003).

The spelling of 20002011220001 in words is "twenty trillion, two billion, eleven million, two hundred twenty thousand, one".