20125695 has 8 divisors (see below), whose sum is σ = 32201136. Its totient is φ = 10733696.

The previous prime is 20125649. The next prime is 20125697. The reversal of 20125695 is 59652102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20125695 - 2⁶ = 20125631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670842 + ... + 670871.

It is an arithmetic number, because the mean of its divisors is an integer number (4025142).

Almost surely, 2^20125695 is an apocalyptic number.

20125695 is a deficient number, since it is larger than the sum of its proper divisors (12075441).

20125695 is a wasteful number, since it uses less digits than its factorization.

20125695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341721.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 20125695 is about 4486.1670722344. The cubic root of 20125695 is about 272.0092224021.

Adding to 20125695 its reverse (59652102), we get a palindrome (79777797).

The spelling of 20125695 in words is "twenty million, one hundred twenty-five thousand, six hundred ninety-five".