12020088 has 48 divisors (see below), whose sum is σ = 31940280. Its totient is φ = 3768832.

The previous prime is 12020083. The next prime is 12020119. The reversal of 12020088 is 88002021.

It is a Cunningham number, because it is equal to 3467²-1.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6070 + ... + 7802.

Almost surely, 2^12020088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15970140).

12020088 is an abundant number, since it is smaller than the sum of its proper divisors (19920192).

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

12020088 is a wasteful number, since it uses less digits than its factorization.

12020088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 12020088 is about 3466.9998557831. Note that the first 3 decimals coincide. The cubic root of 12020088 is about 229.0705274018.

The spelling of 12020088 in words is "twelve million, twenty thousand, eighty-eight".