20001202201211 has 32 divisors (see below), whose sum is σ = 25120149981696. Its totient is φ = 15470961408000.

The previous prime is 20001202201199. The next prime is 20001202201213. The reversal of 20001202201211 is 11210220210002.

It is not a de Polignac number, because 20001202201211 - 2²⁶ = 20001135092347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001202201213) 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, 5391176 + ... + 8310666.

It is an arithmetic number, because the mean of its divisors is an integer number (785004686928).

Almost surely, 2^{20001202201211} is an apocalyptic number.

20001202201211 is a deficient number, since it is larger than the sum of its proper divisors (5118947780485).

20001202201211 is a wasteful number, since it uses less digits than its factorization.

20001202201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920163.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20001202201211 its reverse (11210220210002), we get a palindrome (31211422411213).

The spelling of 20001202201211 in words is "twenty trillion, one billion, two hundred two million, two hundred one thousand, two hundred eleven".