20001067 has 2 divisors, whose sum is σ = 20001068. Its totient is φ = 20001066.

The previous prime is 20001031. The next prime is 20001073. The reversal of 20001067 is 76010002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001067 - 2¹¹ = 19999019 is a prime.

It is a super-2 number, since 2×20001067² = 800085362276978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20001067.

It is not a weakly prime, because it can be changed into another prime (20002067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000533 + 10000534.

It is an arithmetic number, because the mean of its divisors is an integer number (10000534).

Almost surely, 2^20001067 is an apocalyptic number.

20001067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001067 is an equidigital number, since it uses as much as digits as its factorization.

20001067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 20001067 is about 4472.2552476351. The cubic root of 20001067 is about 271.4465887130.

Adding to 20001067 its reverse (76010002), we get a palindrome (96011069).

The spelling of 20001067 in words is "twenty million, one thousand, sixty-seven".