205800038 has 8 divisors (see below), whose sum is σ = 309205488. Its totient is φ = 102731544.

The previous prime is 205799987. The next prime is 205800047. The reversal of 205800038 is 830008502.

205800038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82706 + ... + 85157.

It is an arithmetic number, because the mean of its divisors is an integer number (38650686).

Almost surely, 2^205800038 is an apocalyptic number.

205800038 is a deficient number, since it is larger than the sum of its proper divisors (103405450).

205800038 is a wasteful number, since it uses less digits than its factorization.

205800038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168478.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 205800038 is about 14345.7323967792. The cubic root of 205800038 is about 590.4029020496.

The spelling of 205800038 in words is "two hundred five million, eight hundred thousand, thirty-eight".