20241256 has 16 divisors (see below), whose sum is σ = 43374240. Its totient is φ = 8674800.

The previous prime is 20241239. The next prime is 20241313. The reversal of 20241256 is 65214202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180670 + ... + 180781.

It is an arithmetic number, because the mean of its divisors is an integer number (2710890).

Almost surely, 2^20241256 is an apocalyptic number.

It is an amenable number.

20241256 is an abundant number, since it is smaller than the sum of its proper divisors (23132984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20241256 is a wasteful number, since it uses less digits than its factorization.

20241256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361464 (or 361460 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20241256 is about 4499.0283395418. The cubic root of 20241256 is about 272.5288514187.

Adding to 20241256 its reverse (65214202), we get a palindrome (85455458).

The spelling of 20241256 in words is "twenty million, two hundred forty-one thousand, two hundred fifty-six".