20108032 has 72 divisors (see below), whose sum is σ = 47012000. Its totient is φ = 8580096.

The previous prime is 20108029. The next prime is 20108051. The reversal of 20108032 is 23080102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20107997 and 20108015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87694 + ... + 87922.

Almost surely, 2^20108032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20108032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23506000).

20108032 is an abundant number, since it is smaller than the sum of its proper divisors (26903968).

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

20108032 is an frugal number, since it uses more digits than its factorization.

20108032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20108032 is about 4484.1980330935. The cubic root of 20108032 is about 271.9296242382.

Adding to 20108032 its reverse (23080102), we get a palindrome (43188134).

The spelling of 20108032 in words is "twenty million, one hundred eight thousand, thirty-two".