13320434013402 has 16 divisors (see below), whose sum is σ = 26641168856640. Its totient is φ = 4440094532832.

The previous prime is 13320434013379. The next prime is 13320434013421. The reversal of 13320434013402 is 20431043402331.

It is a happy number.

It is a super-3 number, since 3×13320434013402³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13320434013402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11956902 + ... + 13023377.

It is an arithmetic number, because the mean of its divisors is an integer number (1665073053540).

Almost surely, 2^{13320434013402} is an apocalyptic number.

13320434013402 is an abundant number, since it is smaller than the sum of its proper divisors (13320734843238).

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

13320434013402 is a wasteful number, since it uses less digits than its factorization.

13320434013402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25069157.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13320434013402 its reverse (20431043402331), we get a palindrome (33751477415733).

The spelling of 13320434013402 in words is "thirteen trillion, three hundred twenty billion, four hundred thirty-four million, thirteen thousand, four hundred two".