205260700 has 36 divisors (see below), whose sum is σ = 450439920. Its totient is φ = 81178240.

The previous prime is 205260689. The next prime is 205260721. The reversal of 205260700 is 7062502.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2632 + ... + 20431.

It is an arithmetic number, because the mean of its divisors is an integer number (12512220).

Almost surely, 2^205260700 is an apocalyptic number.

205260700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205260700 is an abundant number, since it is smaller than the sum of its proper divisors (245179220).

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

205260700 is a wasteful number, since it uses less digits than its factorization.

205260700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23166 (or 23159 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 205260700 is about 14326.9222096025. The cubic root of 205260700 is about 589.8866966186.

The spelling of 205260700 in words is "two hundred five million, two hundred sixty thousand, seven hundred".