20093847 has 8 divisors (see below), whose sum is σ = 28367856. Its totient is φ = 12607872.

The previous prime is 20093791. The next prime is 20093867. The reversal of 20093847 is 74839002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20093847 - 2⁶ = 20093783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20093867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196948 + ... + 197049.

It is an arithmetic number, because the mean of its divisors is an integer number (3545982).

Almost surely, 2^20093847 is an apocalyptic number.

20093847 is a deficient number, since it is larger than the sum of its proper divisors (8274009).

20093847 is a wasteful number, since it uses less digits than its factorization.

20093847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394017.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 20093847 is about 4482.6160888481. The cubic root of 20093847 is about 271.8656658970.

The spelling of 20093847 in words is "twenty million, ninety-three thousand, eight hundred forty-seven".