205970670 has 24 divisors (see below), whose sum is σ = 535523976. Its totient is φ = 54925488.

The previous prime is 205970641. The next prime is 205970671. The reversal of 205970670 is 76079502.

205970670 is a `hidden beast` number, since 2 + 0 + 597 + 0 + 67 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205970671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144192 + ... + 1144371.

It is an arithmetic number, because the mean of its divisors is an integer number (22313499).

Almost surely, 2^205970670 is an apocalyptic number.

205970670 is an abundant number, since it is smaller than the sum of its proper divisors (329553306).

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

205970670 is a wasteful number, since it uses less digits than its factorization.

205970670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288576 (or 2288573 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 205970670 is about 14351.6782990701. The cubic root of 205970670 is about 590.5660277057.

The spelling of 205970670 in words is "two hundred five million, nine hundred seventy thousand, six hundred seventy".