12432022020 has 192 divisors, whose sum is σ = 42354708480. Its totient is φ = 3002313600.

The previous prime is 12432022019. The next prime is 12432022037. The reversal of 12432022020 is 2022023421.

12432022020 is a `hidden beast` number, since 12 + 432 + 0 + 220 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12432021984 and 12432022002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1605879 + ... + 1613601.

It is an arithmetic number, because the mean of its divisors is an integer number (220597440).

Almost surely, 2^12432022020 is an apocalyptic number.

12432022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12432022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21177354240).

12432022020 is an abundant number, since it is smaller than the sum of its proper divisors (29922686460).

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

12432022020 is a wasteful number, since it uses less digits than its factorization.

12432022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023 (or 8015 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12432022020 its reverse (2022023421), we get a palindrome (14454045441).

The spelling of 12432022020 in words is "twelve billion, four hundred thirty-two million, twenty-two thousand, twenty".