1104442020 has 144 divisors (see below), whose sum is σ = 3777029760. Its totient is φ = 267727680.

The previous prime is 1104442007. The next prime is 1104442021. The reversal of 1104442020 is 202444011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1104441984 and 1104442002.

It is not an unprimeable number, because it can be changed into a prime (1104442021) 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 47 ways as a sum of consecutive naturals, for example, 56889 + ... + 73791.

Almost surely, 2^1104442020 is an apocalyptic number.

1104442020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1104442020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888514880).

1104442020 is an abundant number, since it is smaller than the sum of its proper divisors (2672587740).

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

1104442020 is a wasteful number, since it uses less digits than its factorization.

1104442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16943 (or 16924 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1104442020 is about 33233.1464053586. The cubic root of 1104442020 is about 1033.6677671116.

Adding to 1104442020 its reverse (202444011), we get a palindrome (1306886031).

The spelling of 1104442020 in words is "one billion, one hundred four million, four hundred forty-two thousand, twenty".