20667327 has 8 divisors (see below), whose sum is σ = 27829680. Its totient is φ = 13641600.

The previous prime is 20667299. The next prime is 20667331. The reversal of 20667327 is 72376602.

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

It is not a de Polignac number, because 20667327 - 2¹⁴ = 20650943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20667377) 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, 33802 + ... + 34407.

It is an arithmetic number, because the mean of its divisors is an integer number (3478710).

Almost surely, 2^20667327 is an apocalyptic number.

20667327 is a deficient number, since it is larger than the sum of its proper divisors (7162353).

20667327 is a wasteful number, since it uses less digits than its factorization.

20667327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68313.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 20667327 is about 4546.1331920655. The cubic root of 20667327 is about 274.4277997643.

The spelling of 20667327 in words is "twenty million, six hundred sixty-seven thousand, three hundred twenty-seven".