13432012420 has 48 divisors (see below), whose sum is σ = 29444583168. Its totient is φ = 5137292160.

The previous prime is 13432012417. The next prime is 13432012421. The reversal of 13432012420 is 2421023431.

It is a junction number, because it is equal to n+sod(n) for n = 13432012391 and 13432012400.

It is not an unprimeable number, because it can be changed into a prime (13432012421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2233057 + ... + 2239063.

It is an arithmetic number, because the mean of its divisors is an integer number (613428816).

Almost surely, 2^13432012420 is an apocalyptic number.

13432012420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13432012420 is an abundant number, since it is smaller than the sum of its proper divisors (16012570748).

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

13432012420 is a wasteful number, since it uses less digits than its factorization.

13432012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10900 (or 10898 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13432012420 its reverse (2421023431), we get a palindrome (15853035851).

The spelling of 13432012420 in words is "thirteen billion, four hundred thirty-two million, twelve thousand, four hundred twenty".