2000021207 has 2 divisors, whose sum is σ = 2000021208. Its totient is φ = 2000021206.

The previous prime is 2000021167. The next prime is 2000021227. The reversal of 2000021207 is 7021200002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000021207 - 2²⁰ = 1998972631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000021191 and 2000021200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000021227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000010603 + 1000010604.

It is an arithmetic number, because the mean of its divisors is an integer number (1000010604).

Almost surely, 2^2000021207 is an apocalyptic number.

2000021207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000021207 is an equidigital number, since it uses as much as digits as its factorization.

2000021207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2000021207 is about 44721.5966508353. The cubic root of 2000021207 is about 1259.9255030701.

Adding to 2000021207 its reverse (7021200002), we get a palindrome (9021221209).

The spelling of 2000021207 in words is "two billion, twenty-one thousand, two hundred seven".