13044022420 has 48 divisors (see below), whose sum is σ = 32181343488. Its totient is φ = 4378412160.

The previous prime is 13044022403. The next prime is 13044022421. The reversal of 13044022420 is 2422044031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13044022391 and 13044022400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277564 + ... + 2283283.

It is an arithmetic number, because the mean of its divisors is an integer number (670444656).

Almost surely, 2^13044022420 is an apocalyptic number.

13044022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044022420 is an abundant number, since it is smaller than the sum of its proper divisors (19137321068).

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

13044022420 is a wasteful number, since it uses less digits than its factorization.

13044022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560880 (or 4560878 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 13044022420 its reverse (2422044031), we get a palindrome (15466066451).

The spelling of 13044022420 in words is "thirteen billion, forty-four million, twenty-two thousand, four hundred twenty".