20020167 has 36 divisors (see below), whose sum is σ = 31688280. Its totient is φ = 12141792.

The previous prime is 20020163. The next prime is 20020171. The reversal of 20020167 is 76102002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20020163) and next prime (20020171).

It is not a de Polignac number, because 20020167 - 2² = 20020163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020163) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 377713 + ... + 377765.

It is an arithmetic number, because the mean of its divisors is an integer number (880230).

Almost surely, 2^20020167 is an apocalyptic number.

20020167 is a deficient number, since it is larger than the sum of its proper divisors (11668113).

20020167 is a wasteful number, since it uses less digits than its factorization.

20020167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20020167 is about 4474.3901260395. The cubic root of 20020167 is about 271.5329671108.

Adding to 20020167 its reverse (76102002), we get a palindrome (96122169).

The spelling of 20020167 in words is "twenty million, twenty thousand, one hundred sixty-seven".