13220230442 has 8 divisors (see below), whose sum is σ = 19830842496. Its totient is φ = 6609949612.

The previous prime is 13220230423. The next prime is 13220230447. The reversal of 13220230442 is 24403202231.

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 (13220230447) 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, 84953 + ... + 183459.

It is an arithmetic number, because the mean of its divisors is an integer number (2478855312).

Almost surely, 2^13220230442 is an apocalyptic number.

13220230442 is a deficient number, since it is larger than the sum of its proper divisors (6610612054).

13220230442 is an equidigital number, since it uses as much as digits as its factorization.

13220230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165612.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 13220230442 its reverse (24403202231), we get a palindrome (37623432673).

The spelling of 13220230442 in words is "thirteen billion, two hundred twenty million, two hundred thirty thousand, four hundred forty-two".