13220023302 has 12 divisors (see below), whose sum is σ = 28643383860. Its totient is φ = 4406674428.

The previous prime is 13220023279. The next prime is 13220023303. The reversal of 13220023302 is 20332002231.

It is a happy number.

13220023302 is a `hidden beast` number, since 132 + 200 + 2 + 330 + 2 = 666.

It is a super-2 number, since 2×13220023302² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 734445739 = 13220023302 / (1 + 3 + 2 + 2 + 0 + 0 + 2 + 3 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220023303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367222852 + ... + 367222887.

It is an arithmetic number, because the mean of its divisors is an integer number (2386948655).

Almost surely, 2^13220023302 is an apocalyptic number.

13220023302 is an abundant number, since it is smaller than the sum of its proper divisors (15423360558).

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

13220023302 is a wasteful number, since it uses less digits than its factorization.

13220023302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734445747 (or 734445744 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 13220023302 its reverse (20332002231), we get a palindrome (33552025533).

The spelling of 13220023302 in words is "thirteen billion, two hundred twenty million, twenty-three thousand, three hundred two".