20200111111110 has 128 divisors (see below), whose sum is σ = 58899573273600. Its totient is φ = 4330850803200.

The previous prime is 20200111111051. The next prime is 20200111111133. The reversal of 20200111111110 is 1111111100202.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24659805 + ... + 25465784.

It is an arithmetic number, because the mean of its divisors is an integer number (460152916200).

Almost surely, 2^{20200111111110} is an apocalyptic number.

20200111111110 is an abundant number, since it is smaller than the sum of its proper divisors (38699462162490).

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

20200111111110 is a wasteful number, since it uses less digits than its factorization.

20200111111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50125726.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 20200111111110 its reverse (1111111100202), we get a palindrome (21311222211312).

The spelling of 20200111111110 in words is "twenty trillion, two hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred ten".