205030410 has 32 divisors (see below), whose sum is σ = 529925760. Its totient is φ = 50468928.

The previous prime is 205030361. The next prime is 205030411. The reversal of 205030410 is 14030502.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 205030410.

It is not an unprimeable number, because it can be changed into a prime (205030411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262470 + ... + 263249.

It is an arithmetic number, because the mean of its divisors is an integer number (16560180).

Almost surely, 2^205030410 is an apocalyptic number.

205030410 is an abundant number, since it is smaller than the sum of its proper divisors (324895350).

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

205030410 is a wasteful number, since it uses less digits than its factorization.

205030410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525742.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 205030410 is about 14318.8829871607. The cubic root of 205030410 is about 589.6660084201. Note that the first 3 decimals are identical.

Adding to 205030410 its reverse (14030502), we get a palindrome (219060912).

The spelling of 205030410 in words is "two hundred five million, thirty thousand, four hundred ten".