20364255 has 12 divisors (see below), whose sum is σ = 35298120. Its totient is φ = 10860912.

The previous prime is 20364251. The next prime is 20364287. The reversal of 20364255 is 55246302.

It is not a de Polignac number, because 20364255 - 2² = 20364251 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20364251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226225 + ... + 226314.

It is an arithmetic number, because the mean of its divisors is an integer number (2941510).

Almost surely, 2^20364255 is an apocalyptic number.

20364255 is a deficient number, since it is larger than the sum of its proper divisors (14933865).

20364255 is a wasteful number, since it uses less digits than its factorization.

20364255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452550 (or 452547 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 20364255 is about 4512.6771433374. The cubic root of 20364255 is about 273.0797577211.

The spelling of 20364255 in words is "twenty million, three hundred sixty-four thousand, two hundred fifty-five".