12020405024 has 24 divisors (see below), whose sum is σ = 24910709040. Its totient is φ = 5693875776.

The previous prime is 12020405003. The next prime is 12020405039. The reversal of 12020405024 is 42050402021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12020404987 and 12020405005.

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, 9884594 + ... + 9885809.

It is an arithmetic number, because the mean of its divisors is an integer number (1037946210).

Almost surely, 2^12020405024 is an apocalyptic number.

It is an amenable number.

12020405024 is an abundant number, since it is smaller than the sum of its proper divisors (12890304016).

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

12020405024 is a wasteful number, since it uses less digits than its factorization.

12020405024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19770432 (or 19770424 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 12020405024 its reverse (42050402021), we get a palindrome (54070807045).

The spelling of 12020405024 in words is "twelve billion, twenty million, four hundred five thousand, twenty-four".