20001122110 has 32 divisors (see below), whose sum is σ = 36126627264. Its totient is φ = 7972800000.

The previous prime is 20001122093. The next prime is 20001122171. The reversal of 20001122110 is 1122110002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6057460 + ... + 6060760.

It is an arithmetic number, because the mean of its divisors is an integer number (1128957102).

Almost surely, 2^20001122110 is an apocalyptic number.

20001122110 is a deficient number, since it is larger than the sum of its proper divisors (16125505154).

20001122110 is a wasteful number, since it uses less digits than its factorization.

20001122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220.

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

Adding to 20001122110 its reverse (1122110002), we get a palindrome (21123232112).

The spelling of 20001122110 in words is "twenty billion, one million, one hundred twenty-two thousand, one hundred ten".