20468167 has 4 divisors (see below), whose sum is σ = 20615560. Its totient is φ = 20320776.

The previous prime is 20468159. The next prime is 20468177. The reversal of 20468167 is 76186402.

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 20468167 - 2³ = 20468159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20468117) 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, 73488 + ... + 73765.

It is an arithmetic number, because the mean of its divisors is an integer number (5153890).

Almost surely, 2^20468167 is an apocalyptic number.

20468167 is a deficient number, since it is larger than the sum of its proper divisors (147393).

20468167 is a wasteful number, since it uses less digits than its factorization.

20468167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147392.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20468167 is about 4524.1758365475. The cubic root of 20468167 is about 273.5434482297.

The spelling of 20468167 in words is "twenty million, four hundred sixty-eight thousand, one hundred sixty-seven".