20255065 has 16 divisors (see below), whose sum is σ = 25660800. Its totient is φ = 15317632.

The previous prime is 20255057. The next prime is 20255077. The reversal of 20255065 is 56055202.

20255065 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 20255065 - 2³ = 20255057 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, 9246 + ... + 11224.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 2^20255065 is an apocalyptic number.

It is an amenable number.

20255065 is a deficient number, since it is larger than the sum of its proper divisors (5405735).

20255065 is a wasteful number, since it uses less digits than its factorization.

20255065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 20255065 is about 4500.5627425912. The cubic root of 20255065 is about 272.5908122546.

The spelling of 20255065 in words is "twenty million, two hundred fifty-five thousand, sixty-five".