205060940 has 24 divisors (see below), whose sum is σ = 492146592. Its totient is φ = 70306560.

The previous prime is 205060903. The next prime is 205060963. The reversal of 205060940 is 49060502.

It is a super-2 number, since 2×205060940² = 84099978227367200, which contains 22 as substring.

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, 732221 + ... + 732500.

It is an arithmetic number, because the mean of its divisors is an integer number (20506108).

Almost surely, 2^205060940 is an apocalyptic number.

205060940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205060940 is an abundant number, since it is smaller than the sum of its proper divisors (287085652).

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

205060940 is a wasteful number, since it uses less digits than its factorization.

205060940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464737 (or 1464735 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 205060940 is about 14319.9490222556. The cubic root of 205060940 is about 589.6952749888.

The spelling of 205060940 in words is "two hundred five million, sixty thousand, nine hundred forty".