13202320232 has 8 divisors (see below), whose sum is σ = 24754350450. Its totient is φ = 6601160112.

The previous prime is 13202320223. The next prime is 13202320273. The reversal of 13202320232 is 23202320231.

It can be written as a sum of positive squares in only one way, i.e., 7718325316 + 5483994916 = 87854^2 + 74054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825145007 + ... + 825145022.

Almost surely, 2^13202320232 is an apocalyptic number.

It is an amenable number.

13202320232 is a deficient number, since it is larger than the sum of its proper divisors (11552030218).

13202320232 is a wasteful number, since it uses less digits than its factorization.

13202320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650290035 (or 1650290031 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13202320232 its reverse (23202320231), we get a palindrome (36404640463).

Subtracting 13202320232 from its reverse (23202320231), we obtain a palindrome (9999999999).

The spelling of 13202320232 in words is "thirteen billion, two hundred two million, three hundred twenty thousand, two hundred thirty-two".