13044000020 has 24 divisors (see below), whose sum is σ = 27560458464. Its totient is φ = 5185588896.

The previous prime is 13044000001. The next prime is 13044000037. The reversal of 13044000020 is 2000044031.

It is a junction number, because it is equal to n+sod(n) for n = 13043999959 and 13044000004.

It is a congruent 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, 1997354 + ... + 2003873.

It is an arithmetic number, because the mean of its divisors is an integer number (1148352436).

Almost surely, 2^13044000020 is an apocalyptic number.

13044000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044000020 is an abundant number, since it is smaller than the sum of its proper divisors (14516458444).

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

13044000020 is a wasteful number, since it uses less digits than its factorization.

13044000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001399 (or 4001397 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 13044000020 its reverse (2000044031), we get a palindrome (15044044051).

The spelling of 13044000020 in words is "thirteen billion, forty-four million, twenty", and thus it is an aban number.