13220302132 has 6 divisors (see below), whose sum is σ = 23135528738. Its totient is φ = 6610151064.

The previous prime is 13220302099. The next prime is 13220302153. The reversal of 13220302132 is 23120302231.

It can be written as a sum of positive squares in only one way, i.e., 6979934116 + 6240368016 = 83546^2 + 78996^2 .

It is a super-2 number, since 2×13220302132² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652537763 + ... + 1652537770.

Almost surely, 2^13220302132 is an apocalyptic number.

It is an amenable number.

13220302132 is a deficient number, since it is larger than the sum of its proper divisors (9915226606).

13220302132 is a wasteful number, since it uses less digits than its factorization.

13220302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305075537 (or 3305075535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13220302132 its reverse (23120302231), we get a palindrome (36340604363).

Subtracting 13220302132 from its reverse (23120302231), we obtain a palindrome (9900000099).

The spelling of 13220302132 in words is "thirteen billion, two hundred twenty million, three hundred two thousand, one hundred thirty-two".