12002020 has 12 divisors (see below), whose sum is σ = 25204284. Its totient is φ = 4800800.

The previous prime is 12001999. The next prime is 12002059. The reversal of 12002020 is 2020021.

It is a happy number.

12002020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6885376 + 5116644 = 2624^2 + 2262^2 .

12002020 is a modest number, since divided by 2020 gives 1200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12001994 and 12002012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300031 + ... + 300070.

It is an arithmetic number, because the mean of its divisors is an integer number (2100357).

Almost surely, 2^12002020 is an apocalyptic number.

12002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002020 is an abundant number, since it is smaller than the sum of its proper divisors (13202264).

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

12002020 is a wasteful number, since it uses less digits than its factorization.

12002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600110 (or 600108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 12002020 is about 3464.3931647548. The cubic root of 12002020 is about 228.9556940275.

Adding to 12002020 its reverse (2020021), we get a palindrome (14022041).

The spelling of 12002020 in words is "twelve million, two thousand, twenty".