12333444020 has 12 divisors (see below), whose sum is σ = 25900232484. Its totient is φ = 4933377600.

The previous prime is 12333443999. The next prime is 12333444029. The reversal of 12333444020 is 2044433321.

It can be written as a sum of positive squares in 2 ways, for example, as 2099289124 + 10234154896 = 45818^2 + 101164^2 .

It is a super-2 number, since 2×12333444020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12333444029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308336081 + ... + 308336120.

It is an arithmetic number, because the mean of its divisors is an integer number (2158352707).

Almost surely, 2^12333444020 is an apocalyptic number.

12333444020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12333444020 is an abundant number, since it is smaller than the sum of its proper divisors (13566788464).

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

12333444020 is a wasteful number, since it uses less digits than its factorization.

12333444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616672210 (or 616672208 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12333444020 its reverse (2044433321), we get a palindrome (14377877341).

The spelling of 12333444020 in words is "twelve billion, three hundred thirty-three million, four hundred forty-four thousand, twenty".