205303211404 has 12 divisors (see below), whose sum is σ = 359290348704. Its totient is φ = 102648826064.

The previous prime is 205303211383. The next prime is 205303211411. The reversal of 205303211404 is 404112303502.

205303211404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205303211404² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 524059 + ... + 827794.

It is an arithmetic number, because the mean of its divisors is an integer number (29940862392).

Almost surely, 2^205303211404 is an apocalyptic number.

It is an amenable number.

205303211404 is a deficient number, since it is larger than the sum of its proper divisors (153987137300).

205303211404 is a wasteful number, since it uses less digits than its factorization.

205303211404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389824 (or 1389822 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 205303211404 its reverse (404112303502), we get a palindrome (609415514906).

The spelling of 205303211404 in words is "two hundred five billion, three hundred three million, two hundred eleven thousand, four hundred four".