205234030 has 16 divisors (see below), whose sum is σ = 391152240. Its totient is φ = 77264512.

The previous prime is 205234027. The next prime is 205234033. The reversal of 205234030 is 30432502.

It is an interprime number because it is at equal distance from previous prime (205234027) and next prime (205234033).

It is a junction number, because it is equal to n+sod(n) for n = 205233989 and 205234007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205234033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603460 + ... + 603799.

It is an arithmetic number, because the mean of its divisors is an integer number (24447015).

Almost surely, 2^205234030 is an apocalyptic number.

205234030 is a deficient number, since it is larger than the sum of its proper divisors (185918210).

205234030 is a wasteful number, since it uses less digits than its factorization.

205234030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207283.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 205234030 is about 14325.9914142093. The cubic root of 205234030 is about 589.8611470620.

Adding to 205234030 its reverse (30432502), we get a palindrome (235666532).

The spelling of 205234030 in words is "two hundred five million, two hundred thirty-four thousand, thirty".