20359332 has 72 divisors (see below), whose sum is σ = 59282496. Its totient is φ = 5770944.

The previous prime is 20359271. The next prime is 20359333. The reversal of 20359332 is 23395302.

It is a junction number, because it is equal to n+sod(n) for n = 20359296 and 20359305.

It is not an unprimeable number, because it can be changed into a prime (20359333) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 43363 + ... + 43829.

It is an arithmetic number, because the mean of its divisors is an integer number (823368).

Almost surely, 2^20359332 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 20359332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29641248).

20359332 is an abundant number, since it is smaller than the sum of its proper divisors (38923164).

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

20359332 is a wasteful number, since it uses less digits than its factorization.

20359332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 20359332 is about 4512.1316470156. The cubic root of 20359332 is about 273.0577505326.

The spelling of 20359332 in words is "twenty million, three hundred fifty-nine thousand, three hundred thirty-two".