20125065 has 16 divisors (see below), whose sum is σ = 32256000. Its totient is φ = 10714752.

The previous prime is 20125057. The next prime is 20125073. The reversal of 20125065 is 56052102.

It is an interprime number because it is at equal distance from previous prime (20125057) and next prime (20125073).

It is not a de Polignac number, because 20125065 - 2³ = 20125057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15096 + ... + 16374.

It is an arithmetic number, because the mean of its divisors is an integer number (2016000).

Almost surely, 2^20125065 is an apocalyptic number.

It is an amenable number.

20125065 is a deficient number, since it is larger than the sum of its proper divisors (12130935).

20125065 is a wasteful number, since it uses less digits than its factorization.

20125065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 20125065 is about 4486.0968558425. The cubic root of 20125065 is about 272.0063841134.

Adding to 20125065 its reverse (56052102), we get a palindrome (76177167).

The spelling of 20125065 in words is "twenty million, one hundred twenty-five thousand, sixty-five".