13020223404 has 24 divisors (see below), whose sum is σ = 31979496640. Its totient is φ = 4111649424.

The previous prime is 13020223397. The next prime is 13020223421. The reversal of 13020223404 is 40432202031.

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, 28552894 + ... + 28553349.

Almost surely, 2^13020223404 is an apocalyptic number.

It is an amenable number.

13020223404 is an abundant number, since it is smaller than the sum of its proper divisors (18959273236).

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

13020223404 is a wasteful number, since it uses less digits than its factorization.

13020223404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57106269 (or 57106267 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 13020223404 its reverse (40432202031), we get a palindrome (53452425435).

The spelling of 13020223404 in words is "thirteen billion, twenty million, two hundred twenty-three thousand, four hundred four".