13220011244 has 12 divisors (see below), whose sum is σ = 25238203368. Its totient is φ = 6009096000.

The previous prime is 13220011229. The next prime is 13220011283. The reversal of 13220011244 is 44211002231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150227357 + ... + 150227444.

It is an arithmetic number, because the mean of its divisors is an integer number (2103183614).

Almost surely, 2^13220011244 is an apocalyptic number.

It is an amenable number.

13220011244 is a deficient number, since it is larger than the sum of its proper divisors (12018192124).

13220011244 is a wasteful number, since it uses less digits than its factorization.

13220011244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300454816 (or 300454814 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13220011244 its reverse (44211002231), we get a palindrome (57431013475).

The spelling of 13220011244 in words is "thirteen billion, two hundred twenty million, eleven thousand, two hundred forty-four".