109044020 has 12 divisors (see below), whose sum is σ = 228992484. Its totient is φ = 43617600.

The previous prime is 109043999. The next prime is 109044029. The reversal of 109044020 is 20440901.

It can be written as a sum of positive squares in 2 ways, for example, as 57577744 + 51466276 = 7588^2 + 7174^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5452201 = 109044020 / (1 + 0 + 9 + 0 + 4 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 109043983 and 109044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109044029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726081 + ... + 2726120.

It is an arithmetic number, because the mean of its divisors is an integer number (19082707).

Almost surely, 2^109044020 is an apocalyptic number.

109044020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109044020 is an abundant number, since it is smaller than the sum of its proper divisors (119948464).

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

109044020 is a wasteful number, since it uses less digits than its factorization.

109044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452210 (or 5452208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 109044020 is about 10442.4144717589. The cubic root of 109044020 is about 477.7499144058.

Adding to 109044020 its reverse (20440901), we get a palindrome (129484921).

The spelling of 109044020 in words is "one hundred nine million, forty-four thousand, twenty".