20895107 has 2 divisors, whose sum is σ = 20895108. Its totient is φ = 20895106.

The previous prime is 20895101. The next prime is 20895139. The reversal of 20895107 is 70159802.

It is an a-pointer prime, because the next prime (20895139) can be obtained adding 20895107 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20895107 - 2¹⁴ = 20878723 is a prime.

It is not a weakly prime, because it can be changed into another prime (20895101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10447553 + 10447554.

It is an arithmetic number, because the mean of its divisors is an integer number (10447554).

Almost surely, 2^20895107 is an apocalyptic number.

20895107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20895107 is an equidigital number, since it uses as much as digits as its factorization.

20895107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 20895107 is about 4571.1166031945. The cubic root of 20895107 is about 275.4322985852.

The spelling of 20895107 in words is "twenty million, eight hundred ninety-five thousand, one hundred seven".