2005200256 has 32 divisors (see below), whose sum is σ = 4005540000. Its totient is φ = 999888384.

The previous prime is 2005200221. The next prime is 2005200271. The reversal of 2005200256 is 6520025002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26745 + ... + 68743.

It is an arithmetic number, because the mean of its divisors is an integer number (125173125).

Almost surely, 2^2005200256 is an apocalyptic number.

It is an amenable number.

2005200256 is a deficient number, since it is larger than the sum of its proper divisors (2000339744).

2005200256 is an equidigital number, since it uses as much as digits as its factorization.

2005200256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42386 (or 42374 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2005200256 is about 44779.4624353620. The cubic root of 2005200256 is about 1261.0120901590.

Adding to 2005200256 its reverse (6520025002), we get a palindrome (8525225258).

The spelling of 2005200256 in words is "two billion, five million, two hundred thousand, two hundred fifty-six".