13220132402 has 8 divisors (see below), whose sum is σ = 20155284012. Its totient is φ = 6501704400.

The previous prime is 13220132389. The next prime is 13220132407. The reversal of 13220132402 is 20423102231.

It can be written as a sum of positive squares in 2 ways, for example, as 13016756281 + 203376121 = 114091^2 + 14261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13220132407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54180749 + ... + 54180992.

Almost surely, 2^13220132402 is an apocalyptic number.

13220132402 is a deficient number, since it is larger than the sum of its proper divisors (6935151610).

13220132402 is a wasteful number, since it uses less digits than its factorization.

13220132402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108361804.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13220132402 its reverse (20423102231), we get a palindrome (33643234633).

The spelling of 13220132402 in words is "thirteen billion, two hundred twenty million, one hundred thirty-two thousand, four hundred two".