12230420020 has 48 divisors (see below), whose sum is σ = 31610936448. Its totient is φ = 3870725760.

The previous prime is 12230419991. The next prime is 12230420021. The reversal of 12230420020 is 2002403221.

It is a junction number, because it is equal to n+sod(n) for n = 12230419976 and 12230420003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230420021) 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 15 ways as a sum of consecutive naturals, for example, 3358186 + ... + 3361825.

It is an arithmetic number, because the mean of its divisors is an integer number (658561176).

Almost surely, 2^12230420020 is an apocalyptic number.

12230420020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230420020 is an abundant number, since it is smaller than the sum of its proper divisors (19380516428).

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

12230420020 is a wasteful number, since it uses less digits than its factorization.

12230420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720040 (or 6720038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12230420020 its reverse (2002403221), we get a palindrome (14232823241).

The spelling of 12230420020 in words is "twelve billion, two hundred thirty million, four hundred twenty thousand, twenty".