1104636020 has 48 divisors (see below), whose sum is σ = 2415909888. Its totient is φ = 423790080.

The previous prime is 1104635957. The next prime is 1104636023. The reversal of 1104636020 is 206364011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104636023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62177 + ... + 77943.

It is an arithmetic number, because the mean of its divisors is an integer number (50331456).

Almost surely, 2^1104636020 is an apocalyptic number.

1104636020 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 1104636020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207954944).

1104636020 is an abundant number, since it is smaller than the sum of its proper divisors (1311273868).

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

1104636020 is a wasteful number, since it uses less digits than its factorization.

1104636020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15920 (or 15918 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1104636020 is about 33236.0650498822. The cubic root of 1104636020 is about 1033.7282863008.

The spelling of 1104636020 in words is "one billion, one hundred four million, six hundred thirty-six thousand, twenty".