13444330020 has 96 divisors (see below), whose sum is σ = 41084620416. Its totient is φ = 3257779200.

The previous prime is 13444330019. The next prime is 13444330021. The reversal of 13444330020 is 2003344431.

It is an interprime number because it is at equal distance from previous prime (13444330019) and next prime (13444330021).

It is not an unprimeable number, because it can be changed into a prime (13444330021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2675110 + ... + 2680130.

It is an arithmetic number, because the mean of its divisors is an integer number (427964796).

Almost surely, 2^13444330020 is an apocalyptic number.

13444330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13444330020 is an abundant number, since it is smaller than the sum of its proper divisors (27640290396).

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

13444330020 is a wasteful number, since it uses less digits than its factorization.

13444330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101 (or 9099 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13444330020 its reverse (2003344431), we get a palindrome (15447674451).

The spelling of 13444330020 in words is "thirteen billion, four hundred forty-four million, three hundred thirty thousand, twenty".