205452503350 has 24 divisors (see below), whose sum is σ = 402254376840. Its totient is φ = 77855685120.

The previous prime is 205452503323. The next prime is 205452503353. The reversal of 205452503350 is 53305254502.

It is a super-2 number, since 2×205452503350² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205452503353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108131947 + ... + 108133846.

It is an arithmetic number, because the mean of its divisors is an integer number (16760599035).

Almost surely, 2^205452503350 is an apocalyptic number.

205452503350 is a deficient number, since it is larger than the sum of its proper divisors (196801873490).

205452503350 is a wasteful number, since it uses less digits than its factorization.

205452503350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216265824 (or 216265819 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 205452503350 its reverse (53305254502), we get a palindrome (258757757852).

The spelling of 205452503350 in words is "two hundred five billion, four hundred fifty-two million, five hundred three thousand, three hundred fifty".