20608067 has 4 divisors (see below), whose sum is σ = 21318720. Its totient is φ = 19897416.

The previous prime is 20608037. The next prime is 20608073. The reversal of 20608067 is 76080602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20608067 - 2¹² = 20603971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 710623 = 20608067 / (2 + 0 + 6 + 0 + 8 + 0 + 6 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20608037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355283 + ... + 355340.

It is an arithmetic number, because the mean of its divisors is an integer number (5329680).

Almost surely, 2^20608067 is an apocalyptic number.

20608067 is a deficient number, since it is larger than the sum of its proper divisors (710653).

20608067 is an equidigital number, since it uses as much as digits as its factorization.

20608067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710652.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 20608067 is about 4539.6108864087. The cubic root of 20608067 is about 274.1652571915.

Adding to 20608067 its reverse (76080602), we get a palindrome (96688669).

The spelling of 20608067 in words is "twenty million, six hundred eight thousand, sixty-seven".