20100110 has 32 divisors (see below), whose sum is σ = 37310112. Its totient is φ = 7793280.

The previous prime is 20100097. The next prime is 20100149. The reversal of 20100110 is 1100102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 20100094 and 20100103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50432 + ... + 50828.

It is an arithmetic number, because the mean of its divisors is an integer number (1165941).

Almost surely, 2^20100110 is an apocalyptic number.

20100110 is a deficient number, since it is larger than the sum of its proper divisors (17210002).

20100110 is a wasteful number, since it uses less digits than its factorization.

20100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 20100110 is about 4483.3146220180. The cubic root of 20100110 is about 271.8939086686.

Adding to 20100110 its reverse (1100102), we get a palindrome (21200212).

The spelling of 20100110 in words is "twenty million, one hundred thousand, one hundred ten".