205114490 has 24 divisors (see below), whose sum is σ = 429485652. Its totient is φ = 70324800.

The previous prime is 205114487. The next prime is 205114499. The reversal of 205114490 is 94411502.

It can be written as a sum of positive squares in 2 ways, for example, as 201725209 + 3389281 = 14203^2 + 1841^2 .

It is not an unprimeable number, because it can be changed into a prime (205114499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208811 + ... + 209790.

Almost surely, 2^205114490 is an apocalyptic number.

205114490 is an abundant number, since it is smaller than the sum of its proper divisors (224371162).

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

205114490 is a wasteful number, since it uses less digits than its factorization.

205114490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418622 (or 418615 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 205114490 is about 14321.8186694288. The cubic root of 205114490 is about 589.7466018994.

Adding to 205114490 its reverse (94411502), we get a palindrome (299525992).

The spelling of 205114490 in words is "two hundred five million, one hundred fourteen thousand, four hundred ninety".