20000111102002 has 32 divisors (see below), whose sum is σ = 31072987445760. Its totient is φ = 9648510164160.

The previous prime is 20000111101969. The next prime is 20000111102011. The reversal of 20000111102002 is 20020111100002.

It is a self number, because there is not a number n which added to its sum of digits gives 20000111102002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71866908 + ... + 72144664.

It is an arithmetic number, because the mean of its divisors is an integer number (971030857680).

Almost surely, 2^{20000111102002} is an apocalyptic number.

20000111102002 is a deficient number, since it is larger than the sum of its proper divisors (11072876343758).

20000111102002 is a wasteful number, since it uses less digits than its factorization.

20000111102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288666.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20000111102002 its reverse (20020111100002), we get a palindrome (40020222202004).

It can be divided in two parts, 2000011 and 1102002, that added together give a palindrome (3102013).

The spelling of 20000111102002 in words is "twenty trillion, one hundred eleven million, one hundred two thousand, two".