205015941 has 32 divisors (see below), whose sum is σ = 331175040. Its totient is φ = 126146160.

The previous prime is 205015933. The next prime is 205016017. The reversal of 205015941 is 149510502.

205015941 is a `hidden beast` number, since 20 + 50 + 1 + 594 + 1 = 666.

It is not a de Polignac number, because 205015941 - 2³ = 205015933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205015931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24826 + ... + 32036.

It is an arithmetic number, because the mean of its divisors is an integer number (10349220).

Almost surely, 2^205015941 is an apocalyptic number.

It is an amenable number.

205015941 is a deficient number, since it is larger than the sum of its proper divisors (126159099).

205015941 is an frugal number, since it uses more digits than its factorization.

205015941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245 (or 7227 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 205015941 is about 14318.3777363219. The cubic root of 205015941 is about 589.6521371799.

The spelling of 205015941 in words is "two hundred five million, fifteen thousand, nine hundred forty-one".