20007107 has 2 divisors, whose sum is σ = 20007108. Its totient is φ = 20007106.

The previous prime is 20007061. The next prime is 20007149. The reversal of 20007107 is 70170002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20007107 - 2⁸ = 20006851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20007157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003553 + 10003554.

It is an arithmetic number, because the mean of its divisors is an integer number (10003554).

Almost surely, 2^20007107 is an apocalyptic number.

20007107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20007107 is an equidigital number, since it uses as much as digits as its factorization.

20007107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 20007107 is about 4472.9304711788. The cubic root of 20007107 is about 271.4739101285.

Adding to 20007107 its reverse (70170002), we get a palindrome (90177109).

The spelling of 20007107 in words is "twenty million, seven thousand, one hundred seven".