205467330 has 128 divisors (see below), whose sum is σ = 542868480. Its totient is φ = 49593600.

The previous prime is 205467329. The next prime is 205467371. The reversal of 205467330 is 33764502.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2034280 + ... + 2034380.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^205467330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205467330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271434240).

205467330 is an abundant number, since it is smaller than the sum of its proper divisors (337401150).

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

205467330 is a wasteful number, since it uses less digits than its factorization.

205467330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 205467330 is about 14334.1316444352. The cubic root of 205467330 is about 590.0845708512.

The spelling of 205467330 in words is "two hundred five million, four hundred sixty-seven thousand, three hundred thirty".