205000704 has 156 divisors (see below), whose sum is σ = 608230896. Its totient is φ = 66502656.

The previous prime is 205000669. The next prime is 205000711. The reversal of 205000704 is 407000502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2469847 + ... + 2469929.

It is an arithmetic number, because the mean of its divisors is an integer number (3898916).

Almost surely, 2^205000704 is an apocalyptic number.

205000704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205000704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304115448).

205000704 is an abundant number, since it is smaller than the sum of its proper divisors (403230192).

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

205000704 is an equidigital number, since it uses as much as digits as its factorization.

205000704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 205000704 is about 14317.8456480017. The cubic root of 205000704 is about 589.6375289627.

The spelling of 205000704 in words is "two hundred five million, seven hundred four", and thus it is an aban number.