20011211202002 has 8 divisors (see below), whose sum is σ = 31782511909116. Its totient is φ = 9417040565632.

The previous prime is 20011211202001. The next prime is 20011211202049. The reversal of 20011211202002 is 20020211211002.

It can be written as a sum of positive squares in 2 ways, for example, as 15847158760801 + 4164052441201 = 3980849^2 + 2040601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20011211202002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011211202001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294282517643 + ... + 294282517710.

Almost surely, 2^{20011211202002} is an apocalyptic number.

20011211202002 is a deficient number, since it is larger than the sum of its proper divisors (11771300707114).

20011211202002 is a wasteful number, since it uses less digits than its factorization.

20011211202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588565035372.

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

Adding to 20011211202002 its reverse (20020211211002), we get a palindrome (40031422413004).

The spelling of 20011211202002 in words is "twenty trillion, eleven billion, two hundred eleven million, two hundred two thousand, two".