20089067 has 4 divisors (see below), whose sum is σ = 20468160. Its totient is φ = 19709976.

The previous prime is 20089063. The next prime is 20089073. The reversal of 20089067 is 76098002.

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 20089067 - 2² = 20089063 is a prime.

It is a super-2 number, since 2×20089067² = 807141225860978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20089063) 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, 189467 + ... + 189572.

It is an arithmetic number, because the mean of its divisors is an integer number (5117040).

Almost surely, 2^20089067 is an apocalyptic number.

20089067 is a deficient number, since it is larger than the sum of its proper divisors (379093).

20089067 is an equidigital number, since it uses as much as digits as its factorization.

20089067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379092.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 20089067 is about 4482.0828863376. The cubic root of 20089067 is about 271.8441067112.

The spelling of 20089067 in words is "twenty million, eighty-nine thousand, sixty-seven".