110012020 has 24 divisors (see below), whose sum is σ = 236661768. Its totient is φ = 42931200.

The previous prime is 110012011. The next prime is 110012027. The reversal of 110012020 is 20210011.

It can be written as a sum of positive squares in 4 ways, for example, as 725904 + 109286116 = 852^2 + 10454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110011994 and 110012012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110012027) 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, 66261 + ... + 67900.

It is an arithmetic number, because the mean of its divisors is an integer number (9860907).

Almost surely, 2^110012020 is an apocalyptic number.

110012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110012020 is an abundant number, since it is smaller than the sum of its proper divisors (126649748).

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

110012020 is a wasteful number, since it uses less digits than its factorization.

110012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134211 (or 134209 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 110012020 is about 10488.6614970643. The cubic root of 110012020 is about 479.1594374545.

Adding to 110012020 its reverse (20210011), we get a palindrome (130222031).

The spelling of 110012020 in words is "one hundred ten million, twelve thousand, twenty".