20265695 has 16 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 15661344.

The previous prime is 20265671. The next prime is 20265697. The reversal of 20265695 is 59656202.

It is a cyclic number.

It is not a de Polignac number, because 20265695 - 2¹² = 20261599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20265697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18986 + ... + 20024.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^20265695 is an apocalyptic number.

20265695 is a deficient number, since it is larger than the sum of its proper divisors (4893985).

20265695 is a wasteful number, since it uses less digits than its factorization.

20265695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 20265695 is about 4501.7435511144. The cubic root of 20265695 is about 272.6384897710.

The spelling of 20265695 in words is "twenty million, two hundred sixty-five thousand, six hundred ninety-five".