20001110011002 has 48 divisors (see below), whose sum is σ = 43598763381888. Its totient is φ = 6626677080960.

The previous prime is 20001110010943. The next prime is 20001110011033. The reversal of 20001110011002 is 20011001110002.

It is a happy number.

It is a super-2 number, since 2×20001110011002² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2139138 + ... + 6676685.

It is an arithmetic number, because the mean of its divisors is an integer number (908307570456).

Almost surely, 2^{20001110011002} is an apocalyptic number.

20001110011002 is an abundant number, since it is smaller than the sum of its proper divisors (23597653370886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001110011002 is a wasteful number, since it uses less digits than its factorization.

20001110011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816595 (or 8816592 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20001110011002 its reverse (20011001110002), we get a palindrome (40012111121004).

The spelling of 20001110011002 in words is "twenty trillion, one billion, one hundred ten million, eleven thousand, two".