20339136 has 42 divisors (see below), whose sum is σ = 58300112. Its totient is φ = 6779520.

The previous prime is 20339119. The next prime is 20339147. The reversal of 20339136 is 63193302.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 17080 + ... + 18231.

Almost surely, 2^20339136 is an apocalyptic number.

It is an amenable number.

20339136 is an abundant number, since it is smaller than the sum of its proper divisors (37960976).

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

20339136 is a wasteful number, since it uses less digits than its factorization.

20339136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35329 (or 35316 counting only the distinct ones).

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

The square root of 20339136 is about 4509.8931251195. The cubic root of 20339136 is about 272.9674316097.

The spelling of 20339136 in words is "twenty million, three hundred thirty-nine thousand, one hundred thirty-six".