13020443242 has 16 divisors (see below), whose sum is σ = 20803366080. Its totient is φ = 6090574528.

The previous prime is 13020443239. The next prime is 13020443263. The reversal of 13020443242 is 24234402031.

It is a happy number.

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, 1140892 + ... + 1152247.

It is an arithmetic number, because the mean of its divisors is an integer number (1300210380).

Almost surely, 2^13020443242 is an apocalyptic number.

13020443242 is a deficient number, since it is larger than the sum of its proper divisors (7782922838).

13020443242 is a wasteful number, since it uses less digits than its factorization.

13020443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293325.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13020443242 its reverse (24234402031), we get a palindrome (37254845273).

The spelling of 13020443242 in words is "thirteen billion, twenty million, four hundred forty-three thousand, two hundred forty-two".