20834032 has 30 divisors (see below), whose sum is σ = 42614088. Its totient is φ = 9866016.

The previous prime is 20834029. The next prime is 20834063. The reversal of 20834032 is 23043802.

It is a junction number, because it is equal to n+sod(n) for n = 20833994 and 20834012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3973 + ... + 7579.

Almost surely, 2^20834032 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 20834032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21307044).

20834032 is an abundant number, since it is smaller than the sum of its proper divisors (21780056).

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

20834032 is a wasteful number, since it uses less digits than its factorization.

20834032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20834032 is about 4564.4311803334. The cubic root of 20834032 is about 275.1636799688.

Adding to 20834032 its reverse (23043802), we get a palindrome (43877834).

The spelling of 20834032 in words is "twenty million, eight hundred thirty-four thousand, thirty-two".