13220303302 has 16 divisors (see below), whose sum is σ = 20786551632. Its totient is φ = 6298951680.

The previous prime is 13220303293. The next prime is 13220303311. The reversal of 13220303302 is 20330302231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13220303293) and next prime (13220303311).

It is a self number, because there is not a number n which added to its sum of digits gives 13220303302.

It is a congruent number.

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, 1871163 + ... + 1878214.

It is an arithmetic number, because the mean of its divisors is an integer number (1299159477).

Almost surely, 2^13220303302 is an apocalyptic number.

13220303302 is a deficient number, since it is larger than the sum of its proper divisors (7566248330).

13220303302 is a wasteful number, since it uses less digits than its factorization.

13220303302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749463.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 13220303302 its reverse (20330302231), we get a palindrome (33550605533).

The spelling of 13220303302 in words is "thirteen billion, two hundred twenty million, three hundred three thousand, three hundred two".