110100020 has 12 divisors (see below), whose sum is σ = 231210084. Its totient is φ = 44040000.

The previous prime is 110100019. The next prime is 110100061. The reversal of 110100020 is 20001011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38291344 + 71808676 = 6188^2 + 8474^2 .

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 = 110099977 and 110100013.

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 3 ways as a sum of consecutive naturals, for example, 2752481 + ... + 2752520.

It is an arithmetic number, because the mean of its divisors is an integer number (19267507).

Almost surely, 2^110100020 is an apocalyptic number.

110100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110100020 is an abundant number, since it is smaller than the sum of its proper divisors (121110064).

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

110100020 is a wasteful number, since it uses less digits than its factorization.

110100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505010 (or 5505008 counting only the distinct ones).

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

The square root of 110100020 is about 10492.8556646892. The cubic root of 110100020 is about 479.2871652926.

Adding to 110100020 its reverse (20001011), we get a palindrome (130101031).

Subtracting from 110100020 its reverse (20001011), we obtain a palindrome (90099009).

The spelling of 110100020 in words is "one hundred ten million, one hundred thousand, twenty".