20039726 has 12 divisors (see below), whose sum is σ = 34967448. Its totient is φ = 8588412.

The previous prime is 20039707. The next prime is 20039731. The reversal of 20039726 is 62793002.

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, 102146 + ... + 102341.

It is an arithmetic number, because the mean of its divisors is an integer number (2913954).

Almost surely, 2^20039726 is an apocalyptic number.

20039726 is a deficient number, since it is larger than the sum of its proper divisors (14927722).

20039726 is a wasteful number, since it uses less digits than its factorization.

20039726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204503 (or 204496 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 20039726 is about 4476.5752534722. The cubic root of 20039726 is about 271.6213643874.

The spelling of 20039726 in words is "twenty million, thirty-nine thousand, seven hundred twenty-six".