20747327 has 8 divisors (see below), whose sum is σ = 22383216. Its totient is φ = 19157632.

The previous prime is 20747317. The next prime is 20747341. The reversal of 20747327 is 72374702.

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

It is a cyclic number.

It is not a de Polignac number, because 20747327 - 2⁶ = 20747263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20747293 and 20747302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20747317) 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, 10613 + ... + 12414.

It is an arithmetic number, because the mean of its divisors is an integer number (2797902).

Almost surely, 2^20747327 is an apocalyptic number.

20747327 is a deficient number, since it is larger than the sum of its proper divisors (1635889).

20747327 is a wasteful number, since it uses less digits than its factorization.

20747327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23097.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 20747327 is about 4554.9233802557. The cubic root of 20747327 is about 274.7814329428.

The spelling of 20747327 in words is "twenty million, seven hundred forty-seven thousand, three hundred twenty-seven".