204376991770 has 16 divisors (see below), whose sum is σ = 420432668928. Its totient is φ = 70072111440.

The previous prime is 204376991747. The next prime is 204376991773. The reversal of 204376991770 is 77199673402.

204376991770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204376991773) 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, 1459835586 + ... + 1459835725.

It is an arithmetic number, because the mean of its divisors is an integer number (26277041808).

Almost surely, 2^204376991770 is an apocalyptic number.

204376991770 is an abundant number, since it is smaller than the sum of its proper divisors (216055677158).

204376991770 is a wasteful number, since it uses less digits than its factorization.

204376991770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919671325.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 204376991770 in words is "two hundred four billion, three hundred seventy-six million, nine hundred ninety-one thousand, seven hundred seventy".