44000020 has 24 divisors (see below), whose sum is σ = 93668904. Its totient is φ = 17358336.

The previous prime is 44000009. The next prime is 44000023. The reversal of 44000020 is 2000044.

44000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 43507216 = 702^2 + 6596^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 43999970 and 44000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44000023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13609 + ... + 16528.

It is an arithmetic number, because the mean of its divisors is an integer number (3902871).

Almost surely, 2^44000020 is an apocalyptic number.

It is an amenable number.

44000020 is an abundant number, since it is smaller than the sum of its proper divisors (49668884).

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

44000020 is a wasteful number, since it uses less digits than its factorization.

44000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30219 (or 30217 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 44000020 is about 6633.2510882674. The cubic root of 44000020 is about 353.0348870227.

Adding to 44000020 its reverse (2000044), we get a palindrome (46000064).

The spelling of 44000020 in words is "forty-four million, twenty", and thus it is an aban number.