205052019 has 8 divisors (see below), whose sum is σ = 273642432. Its totient is φ = 136581480.

The previous prime is 205051997. The next prime is 205052033. The reversal of 205052019 is 910250502.

205052019 is digitally balanced in base 2, 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 not a de Polignac number, because 205052019 - 2¹² = 205047923 is a prime.

It is a super-2 number, since 2×205052019² = 84092660991952722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205052019.

It is not an unprimeable number, because it can be changed into a prime (205052059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25897 + ... + 32874.

It is an arithmetic number, because the mean of its divisors is an integer number (34205304).

Almost surely, 2^205052019 is an apocalyptic number.

205052019 is a deficient number, since it is larger than the sum of its proper divisors (68590413).

205052019 is a wasteful number, since it uses less digits than its factorization.

205052019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59937.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 205052019 is about 14319.6375303288. The cubic root of 205052019 is about 589.6867234694.

The spelling of 205052019 in words is "two hundred five million, fifty-two thousand, nineteen".