205030778104 has 16 divisors (see below), whose sum is σ = 388238974920. Its totient is φ = 101500384800.

The previous prime is 205030778063. The next prime is 205030778123. The reversal of 205030778104 is 401877030502.

205030778104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126874674 + ... + 126876289.

Almost surely, 2^205030778104 is an apocalyptic number.

It is an amenable number.

205030778104 is a deficient number, since it is larger than the sum of its proper divisors (183208196816).

205030778104 is a wasteful number, since it uses less digits than its factorization.

205030778104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253751070 (or 253751066 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 205030778104 in words is "two hundred five billion, thirty million, seven hundred seventy-eight thousand, one hundred four".