205100130 has 16 divisors (see below), whose sum is σ = 492240384. Its totient is φ = 54693360.

The previous prime is 205100111. The next prime is 205100167. The reversal of 205100130 is 31001502.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3418306 + ... + 3418365.

It is an arithmetic number, because the mean of its divisors is an integer number (30765024).

Almost surely, 2^205100130 is an apocalyptic number.

205100130 is an abundant number, since it is smaller than the sum of its proper divisors (287140254).

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

205100130 is a wasteful number, since it uses less digits than its factorization.

205100130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836681.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 205100130 is about 14321.3173276762. The cubic root of 205100130 is about 589.7328389210.

Adding to 205100130 its reverse (31001502), we get a palindrome (236101632).

The spelling of 205100130 in words is "two hundred five million, one hundred thousand, one hundred thirty".