20000707 has 2 divisors, whose sum is σ = 20000708. Its totient is φ = 20000706.

The previous prime is 20000693. The next prime is 20000713. The reversal of 20000707 is 70700002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20000707 - 2¹⁹ = 19476419 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000107) 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, 10000353 + 10000354.

It is an arithmetic number, because the mean of its divisors is an integer number (10000354).

Almost surely, 2^20000707 is an apocalyptic number.

20000707 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000707 is an equidigital number, since it uses as much as digits as its factorization.

20000707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98, while the sum is 16.

The square root of 20000707 is about 4472.2149993040. The cubic root of 20000707 is about 271.4449601106. Note that the first 3 decimals are identical.

Adding to 20000707 its reverse (70700002), we get a palindrome (90700709).

The spelling of 20000707 in words is "twenty million, seven hundred seven", and thus it is an aban number.