20367147 has 8 divisors (see below), whose sum is σ = 27233280. Its totient is φ = 13539560.

The previous prime is 20367143. The next prime is 20367181. The reversal of 20367147 is 74176302.

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 20367147 - 2² = 20367143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20367143) 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, 8379 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (3404160).

Almost surely, 2^20367147 is an apocalyptic number.

20367147 is a deficient number, since it is larger than the sum of its proper divisors (6866133).

20367147 is a wasteful number, since it uses less digits than its factorization.

20367147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19273.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 20367147 is about 4512.9975625963. The cubic root of 20367147 is about 273.0926841172.

The spelling of 20367147 in words is "twenty million, three hundred sixty-seven thousand, one hundred forty-seven".