20333196 has 72 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 5981184.

The previous prime is 20333189. The next prime is 20333197. The reversal of 20333196 is 69133302.

It is not an unprimeable number, because it can be changed into a prime (20333197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9820 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^20333196 is an apocalyptic number.

20333196 is a gapful number since it is divisible by the number (26) 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 20333196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28894320).

20333196 is an abundant number, since it is smaller than the sum of its proper divisors (37455444).

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

20333196 is a wasteful number, since it uses less digits than its factorization.

20333196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 20333196 is about 4509.2345248390. The cubic root of 20333196 is about 272.9408558428.

Adding to 20333196 its reverse (69133302), we get a palindrome (89466498).

The spelling of 20333196 in words is "twenty million, three hundred thirty-three thousand, one hundred ninety-six".