205054342 has 4 divisors (see below), whose sum is σ = 307581516. Its totient is φ = 102527170.

The previous prime is 205054313. The next prime is 205054349. The reversal of 205054342 is 243450502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205054349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51263584 + ... + 51263587.

It is an arithmetic number, because the mean of its divisors is an integer number (76895379).

Almost surely, 2^205054342 is an apocalyptic number.

205054342 is a deficient number, since it is larger than the sum of its proper divisors (102527174).

205054342 is a wasteful number, since it uses less digits than its factorization.

205054342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102527173.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 205054342 is about 14319.7186424874. The cubic root of 205054342 is about 589.6889502817.

The spelling of 205054342 in words is "two hundred five million, fifty-four thousand, three hundred forty-two".