205100002 has 16 divisors (see below), whose sum is σ = 327462912. Its totient is φ = 96009280.

The previous prime is 205099987. The next prime is 205100009. The reversal of 205100002 is 200001502.

205100002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205100009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9298 + ... + 22285.

It is an arithmetic number, because the mean of its divisors is an integer number (20466432).

Almost surely, 2^205100002 is an apocalyptic number.

205100002 is a deficient number, since it is larger than the sum of its proper divisors (122362910).

205100002 is a wasteful number, since it uses less digits than its factorization.

205100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31793.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 205100002 is about 14321.3128588129. The cubic root of 205100002 is about 589.7327162398.

Adding to 205100002 its reverse (200001502), we get a palindrome (405101504).

The spelling of 205100002 in words is "two hundred five million, one hundred thousand, two".