20093685 has 16 divisors (see below), whose sum is σ = 32898624. Its totient is φ = 10467072.

The previous prime is 20093683. The next prime is 20093707. The reversal of 20093685 is 58639002.

It is a happy number.

It is not a de Polignac number, because 20093685 - 2¹ = 20093683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20093681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14932 + ... + 16221.

It is an arithmetic number, because the mean of its divisors is an integer number (2056164).

Almost surely, 2^20093685 is an apocalyptic number.

It is an amenable number.

20093685 is a deficient number, since it is larger than the sum of its proper divisors (12804939).

20093685 is a wasteful number, since it uses less digits than its factorization.

20093685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31204.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 20093685 is about 4482.5980190064. The cubic root of 20093685 is about 271.8649352860.

The spelling of 20093685 in words is "twenty million, ninety-three thousand, six hundred eighty-five".