205044830 has 16 divisors (see below), whose sum is σ = 369910800. Its totient is φ = 81833472.

The previous prime is 205044823. The next prime is 205044859. The reversal of 205044830 is 38440502.

It is a self number, because there is not a number n which added to its sum of digits gives 205044830.

It is a congruent 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, 18344 + ... + 27323.

It is an arithmetic number, because the mean of its divisors is an integer number (23119425).

Almost surely, 2^205044830 is an apocalyptic number.

205044830 is a deficient number, since it is larger than the sum of its proper divisors (164865970).

205044830 is a wasteful number, since it uses less digits than its factorization.

205044830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46123.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 205044830 is about 14319.3865092049. The cubic root of 205044830 is about 589.6798320353.

The spelling of 205044830 in words is "two hundred five million, forty-four thousand, eight hundred thirty".