12110020 has 48 divisors (see below), whose sum is σ = 27998208. Its totient is φ = 4371840.

The previous prime is 12110017. The next prime is 12110071. The reversal of 12110020 is 2001121.

12110020 = T₃₆₅ + T₃₆₆ + ... + T₄₉₄.

It is a junction number, because it is equal to n+sod(n) for n = 12109985 and 12110012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11725 + ... + 12715.

It is an arithmetic number, because the mean of its divisors is an integer number (583296).

Almost surely, 2^12110020 is an apocalyptic number.

12110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13999104).

12110020 is an abundant number, since it is smaller than the sum of its proper divisors (15888188).

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

12110020 is a wasteful number, since it uses less digits than its factorization.

12110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

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

The square root of 12110020 is about 3479.9454018706. The cubic root of 12110020 is about 229.6403958352.

Adding to 12110020 its reverse (2001121), we get a palindrome (14111141).

The spelling of 12110020 in words is "twelve million, one hundred ten thousand, twenty".