205041054 has 16 divisors (see below), whose sum is σ = 410222592. Its totient is φ = 68323608.

The previous prime is 205040999. The next prime is 205041059. The reversal of 205041054 is 450140502.

It is a self number, because there is not a number n which added to its sum of digits gives 205041054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205041059) 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, 30307 + ... + 36449.

It is an arithmetic number, because the mean of its divisors is an integer number (25638912).

Almost surely, 2^205041054 is an apocalyptic number.

205041054 is an abundant number, since it is smaller than the sum of its proper divisors (205181538).

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

205041054 is a wasteful number, since it uses less digits than its factorization.

205041054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11711.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 205041054 is about 14319.2546593739. The cubic root of 205041054 is about 589.6762122664.

Adding to 205041054 its reverse (450140502), we get a palindrome (655181556).

The spelling of 205041054 in words is "two hundred five million, forty-one thousand, fifty-four".