205501300 has 36 divisors (see below), whose sum is σ = 456318016. Its totient is φ = 80287200.

The previous prime is 205501291. The next prime is 205501301. The reversal of 205501300 is 3105502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205501301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19596 + ... + 28195.

Almost surely, 2^205501300 is an apocalyptic number.

205501300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205501300 is an abundant number, since it is smaller than the sum of its proper divisors (250816716).

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

205501300 is a wasteful number, since it uses less digits than its factorization.

205501300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47848 (or 47841 counting only the distinct ones).

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

The square root of 205501300 is about 14335.3165294667. The cubic root of 205501300 is about 590.1170887026.

Adding to 205501300 its reverse (3105502), we get a palindrome (208606802).

The spelling of 205501300 in words is "two hundred five million, five hundred one thousand, three hundred".