20596938 has 16 divisors (see below), whose sum is σ = 42307680. Its totient is φ = 6680016.

The previous prime is 20596909. The next prime is 20596963. The reversal of 20596938 is 83969502.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20596938.

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 7 ways as a sum of consecutive naturals, for example, 46168 + ... + 46611.

It is an arithmetic number, because the mean of its divisors is an integer number (2644230).

Almost surely, 2^20596938 is an apocalyptic number.

20596938 is an abundant number, since it is smaller than the sum of its proper divisors (21710742).

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

20596938 is a wasteful number, since it uses less digits than its factorization.

20596938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92821.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 20596938 is about 4538.3849550253. The cubic root of 20596938 is about 274.1158957034.

The spelling of 20596938 in words is "twenty million, five hundred ninety-six thousand, nine hundred thirty-eight".