205732530300 has 72 divisors (see below), whose sum is σ = 649366687872. Its totient is φ = 49874552000.

The previous prime is 205732530281. The next prime is 205732530373. The reversal of 205732530300 is 3035237502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31168296 + ... + 31174895.

It is an arithmetic number, because the mean of its divisors is an integer number (9018981776).

Almost surely, 2^205732530300 is an apocalyptic number.

205732530300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205732530300 is an abundant number, since it is smaller than the sum of its proper divisors (443634157572).

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

205732530300 is a wasteful number, since it uses less digits than its factorization.

205732530300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62343219 (or 62343212 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 30.

Adding to 205732530300 its reverse (3035237502), we get a palindrome (208767767802).

The spelling of 205732530300 in words is "two hundred five billion, seven hundred thirty-two million, five hundred thirty thousand, three hundred".