205441242 has 32 divisors (see below), whose sum is σ = 432298944. Its totient is φ = 65001600.

The previous prime is 205441231. The next prime is 205441259. The reversal of 205441242 is 242144502.

It is a happy number.

It is a super-2 number, since 2×205441242² = 84412207829005128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184 + ... + 20387.

It is an arithmetic number, because the mean of its divisors is an integer number (13509342).

Almost surely, 2^205441242 is an apocalyptic number.

205441242 is an abundant number, since it is smaller than the sum of its proper divisors (226857702).

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

205441242 is a wasteful number, since it uses less digits than its factorization.

205441242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22654.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 205441242 is about 14333.2216197197. The cubic root of 205441242 is about 590.0595956271.

Adding to 205441242 its reverse (242144502), we get a palindrome (447585744).

The spelling of 205441242 in words is "two hundred five million, four hundred forty-one thousand, two hundred forty-two".