20010110188 has 24 divisors (see below), whose sum is σ = 35878348800. Its totient is φ = 9759242880.

The previous prime is 20010110161. The next prime is 20010110189. The reversal of 20010110188 is 88101101002.

It is not an unprimeable number, because it can be changed into a prime (20010110189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557013 + ... + 1569811.

It is an arithmetic number, because the mean of its divisors is an integer number (1494931200).

Almost surely, 2^20010110188 is an apocalyptic number.

It is an amenable number.

20010110188 is a deficient number, since it is larger than the sum of its proper divisors (15868238612).

20010110188 is a wasteful number, since it uses less digits than its factorization.

20010110188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22377 (or 22375 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 22.

The spelling of 20010110188 in words is "twenty billion, ten million, one hundred ten thousand, one hundred eighty-eight".