12020080 has 40 divisors (see below), whose sum is σ = 28091952. Its totient is φ = 4783104.

The previous prime is 12020051. The next prime is 12020083. The reversal of 12020080 is 8002021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 12020080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27544 + ... + 27976.

Almost surely, 2^12020080 is an apocalyptic number.

12020080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020080 is an abundant number, since it is smaller than the sum of its proper divisors (16071872).

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

12020080 is a wasteful number, since it uses less digits than its factorization.

12020080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12020080 is about 3466.9987020476. The cubic root of 12020080 is about 229.0704765823.

The spelling of 12020080 in words is "twelve million, twenty thousand, eighty".