205988104 has 32 divisors (see below), whose sum is σ = 449737920. Its totient is φ = 86613696.

The previous prime is 205988093. The next prime is 205988113. The reversal of 205988104 is 401889502.

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, 31734 + ... + 37669.

It is an arithmetic number, because the mean of its divisors is an integer number (14054310).

Almost surely, 2^205988104 is an apocalyptic number.

It is an amenable number.

205988104 is an abundant number, since it is smaller than the sum of its proper divisors (243749816).

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

205988104 is a wasteful number, since it uses less digits than its factorization.

205988104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69469 (or 69465 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 205988104 is about 14352.2856716274. The cubic root of 205988104 is about 590.5826896858.

The spelling of 205988104 in words is "two hundred five million, nine hundred eighty-eight thousand, one hundred four".