205514234 has 16 divisors (see below), whose sum is σ = 313152000. Its totient is φ = 101138544.

The previous prime is 205514233. The next prime is 205514237. The reversal of 205514234 is 432415502.

It is a happy number.

It is a super-2 number, since 2×205514234² = 84472200753213512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205514233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53279 + ... + 57005.

It is an arithmetic number, because the mean of its divisors is an integer number (19572000).

Almost surely, 2^205514234 is an apocalyptic number.

205514234 is a deficient number, since it is larger than the sum of its proper divisors (107637766).

205514234 is a wasteful number, since it uses less digits than its factorization.

205514234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 205514234 is about 14335.7676459965. The cubic root of 205514234 is about 590.1294688583.

Adding to 205514234 its reverse (432415502), we get a palindrome (637929736).

The spelling of 205514234 in words is "two hundred five million, five hundred fourteen thousand, two hundred thirty-four".