20002007 has 2 divisors, whose sum is σ = 20002008. Its totient is φ = 20002006.

The previous prime is 20001983. The next prime is 20002027. The reversal of 20002007 is 70020002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20002007 - 2¹² = 19997911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001003 + 10001004.

It is an arithmetic number, because the mean of its divisors is an integer number (10001004).

Almost surely, 2^20002007 is an apocalyptic number.

20002007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002007 is an equidigital number, since it uses as much as digits as its factorization.

20002007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 20002007 is about 4472.3603387920. The cubic root of 20002007 is about 271.4508410827.

Adding to 20002007 its reverse (70020002), we get a palindrome (90022009).

The spelling of 20002007 in words is "twenty million, two thousand, seven".