13000020232 has 16 divisors (see below), whose sum is σ = 24377977260. Its totient is φ = 6499226304.

The previous prime is 13000020217. The next prime is 13000020259. The reversal of 13000020232 is 23202000031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12680111236 + 319908996 = 112606^2 + 17886^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24223 + ... + 163054.

Almost surely, 2^13000020232 is an apocalyptic number.

It is an amenable number.

13000020232 is a deficient number, since it is larger than the sum of its proper divisors (11377957028).

13000020232 is a wasteful number, since it uses less digits than its factorization.

13000020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195960 (or 195956 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 13000020232 its reverse (23202000031), we get a palindrome (36202020263).

The spelling of 13000020232 in words is "thirteen billion, twenty thousand, two hundred thirty-two".