104432020 has 96 divisors (see below), whose sum is σ = 289578240. Its totient is φ = 30627840.

The previous prime is 104432017. The next prime is 104432033. The reversal of 104432020 is 20234401.

It is a junction number, because it is equal to n+sod(n) for n = 104431985 and 104432003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24186 + ... + 28174.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^104432020 is an apocalyptic number.

104432020 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 104432020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144789120).

104432020 is an abundant number, since it is smaller than the sum of its proper divisors (185146220).

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

104432020 is a wasteful number, since it uses less digits than its factorization.

104432020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 104432020 is about 10219.1985987160. The cubic root of 104432020 is about 470.9172069408.

Adding to 104432020 its reverse (20234401), we get a palindrome (124666421).

The spelling of 104432020 in words is "one hundred four million, four hundred thirty-two thousand, twenty".