13230220302 has 48 divisors (see below), whose sum is σ = 30916752048. Its totient is φ = 4064739840.

The previous prime is 13230220273. The next prime is 13230220309. The reversal of 13230220302 is 20302203231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230220309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115477 + ... + 199487.

It is an arithmetic number, because the mean of its divisors is an integer number (644099001).

Almost surely, 2^13230220302 is an apocalyptic number.

13230220302 is an abundant number, since it is smaller than the sum of its proper divisors (17686531746).

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

13230220302 is a wasteful number, since it uses less digits than its factorization.

13230220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84705 (or 84702 counting only the distinct ones).

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

Adding to 13230220302 its reverse (20302203231), we get a palindrome (33532423533).

The spelling of 13230220302 in words is "thirteen billion, two hundred thirty million, two hundred twenty thousand, three hundred two".