20683151207 has 2 divisors, whose sum is σ = 20683151208. Its totient is φ = 20683151206.

The previous prime is 20683151191. The next prime is 20683151227. The reversal of 20683151207 is 70215138602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20683151207 - 2⁴ = 20683151191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20683151227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10341575603 + 10341575604.

It is an arithmetic number, because the mean of its divisors is an integer number (10341575604).

Almost surely, 2^20683151207 is an apocalyptic number.

20683151207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20683151207 is an equidigital number, since it uses as much as digits as its factorization.

20683151207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 20683151207 its reverse (70215138602), we get a palindrome (90898289809).

The spelling of 20683151207 in words is "twenty billion, six hundred eighty-three million, one hundred fifty-one thousand, two hundred seven".