20010112110 has 48 divisors (see below), whose sum is σ = 52173757584. Its totient is φ = 5320905216.

The previous prime is 20010112103. The next prime is 20010112127. The reversal of 20010112110 is 1121101002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20010112092 and 20010112101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283152 + ... + 346691.

It is an arithmetic number, because the mean of its divisors is an integer number (1086953283).

Almost surely, 2^20010112110 is an apocalyptic number.

20010112110 is an abundant number, since it is smaller than the sum of its proper divisors (32163645474).

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

20010112110 is a wasteful number, since it uses less digits than its factorization.

20010112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630209 (or 630206 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20010112110 its reverse (1121101002), we get a palindrome (21131213112).

The spelling of 20010112110 in words is "twenty billion, ten million, one hundred twelve thousand, one hundred ten".