12353432020 has 96 divisors (see below), whose sum is σ = 27844217856. Its totient is φ = 4592332800.

The previous prime is 12353432011. The next prime is 12353432029. The reversal of 12353432020 is 2023435321.

It is an interprime number because it is at equal distance from previous prime (12353432011) and next prime (12353432029).

It is a super-2 number, since 2×12353432020² (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 (12353432029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5109852 + ... + 5112268.

It is an arithmetic number, because the mean of its divisors is an integer number (290043936).

Almost surely, 2^12353432020 is an apocalyptic number.

12353432020 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 12353432020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13922108928).

12353432020 is an abundant number, since it is smaller than the sum of its proper divisors (15490785836).

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

12353432020 is a wasteful number, since it uses less digits than its factorization.

12353432020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 12353432020 its reverse (2023435321), we get a palindrome (14376867341).

The spelling of 12353432020 in words is "twelve billion, three hundred fifty-three million, four hundred thirty-two thousand, twenty".