20039193 has 12 divisors (see below), whose sum is σ = 28986880. Its totient is φ = 13340376.

The previous prime is 20039191. The next prime is 20039207. The reversal of 20039193 is 39193002.

It is not a de Polignac number, because 20039193 - 2¹ = 20039191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20039191) 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 11 ways as a sum of consecutive naturals, for example, 8280 + ... + 10422.

Almost surely, 2^20039193 is an apocalyptic number.

It is an amenable number.

20039193 is a deficient number, since it is larger than the sum of its proper divisors (8947687).

20039193 is a wasteful number, since it uses less digits than its factorization.

20039193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 20039193 is about 4476.5157209598. The cubic root of 20039193 is about 271.6189562461.

It can be divided in two parts, 200 and 39193, that added together give a palindrome (39393).

The spelling of 20039193 in words is "twenty million, thirty-nine thousand, one hundred ninety-three".