205300388 has 12 divisors (see below), whose sum is σ = 359517900. Its totient is φ = 102580992.

The previous prime is 205300387. The next prime is 205300397. The reversal of 205300388 is 883003502.

It can be written as a sum of positive squares in 2 ways, for example, as 7279204 + 198021184 = 2698^2 + 14072^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 205300388.

It is not an unprimeable number, because it can be changed into a prime (205300387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10313 + ... + 22736.

It is an arithmetic number, because the mean of its divisors is an integer number (29959825).

Almost surely, 2^205300388 is an apocalyptic number.

It is an amenable number.

205300388 is a deficient number, since it is larger than the sum of its proper divisors (154217512).

205300388 is a wasteful number, since it uses less digits than its factorization.

205300388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34606 (or 34604 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 205300388 is about 14328.3072273036. The cubic root of 205300388 is about 589.9247131743.

The spelling of 205300388 in words is "two hundred five million, three hundred thousand, three hundred eighty-eight".