205015300 has 36 divisors (see below), whose sum is σ = 508439680. Its totient is φ = 70290720.

The previous prime is 205015259. The next prime is 205015303. The reversal of 205015300 is 3510502.

It is not an unprimeable number, because it can be changed into a prime (205015303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145740 + ... + 147139.

Almost surely, 2^205015300 is an apocalyptic number.

205015300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205015300 is an abundant number, since it is smaller than the sum of its proper divisors (303424380).

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

205015300 is a wasteful number, since it uses less digits than its factorization.

205015300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292900 (or 292893 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 205015300 is about 14318.3553524837. The cubic root of 205015300 is about 589.6515226465.

Adding to 205015300 its reverse (3510502), we get a palindrome (208525802).

The spelling of 205015300 in words is "two hundred five million, fifteen thousand, three hundred".