104504020 has 12 divisors (see below), whose sum is σ = 219458484. Its totient is φ = 41801600.

The previous prime is 104504003. The next prime is 104504033. The reversal of 104504020 is 20405401.

It can be written as a sum of positive squares in 2 ways, for example, as 61653904 + 42850116 = 7852^2 + 6546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 104503985 and 104504003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612581 + ... + 2612620.

It is an arithmetic number, because the mean of its divisors is an integer number (18288207).

Almost surely, 2^104504020 is an apocalyptic number.

104504020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104504020 is an abundant number, since it is smaller than the sum of its proper divisors (114954464).

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

104504020 is a wasteful number, since it uses less digits than its factorization.

104504020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225210 (or 5225208 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 104504020 is about 10222.7207728667. The cubic root of 104504020 is about 471.0254057154.

Adding to 104504020 its reverse (20405401), we get a palindrome (124909421).

The spelling of 104504020 in words is "one hundred four million, five hundred four thousand, twenty".