205954972 has 24 divisors (see below), whose sum is σ = 385271712. Its totient is φ = 96096000.

The previous prime is 205954963. The next prime is 205954997. The reversal of 205954972 is 279459502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23529 + ... + 31072.

It is an arithmetic number, because the mean of its divisors is an integer number (16052988).

Almost surely, 2^205954972 is an apocalyptic number.

It is an amenable number.

205954972 is a deficient number, since it is larger than the sum of its proper divisors (179316740).

205954972 is a wasteful number, since it uses less digits than its factorization.

205954972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54669 (or 54667 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 205954972 is about 14351.1313839711. The cubic root of 205954972 is about 590.5510240467.

The spelling of 205954972 in words is "two hundred five million, nine hundred fifty-four thousand, nine hundred seventy-two".