204120443419 has 4 divisors (see below), whose sum is σ = 216127528344. Its totient is φ = 192113358496.

The previous prime is 204120443377. The next prime is 204120443431. The reversal of 204120443419 is 914344021402.

204120443419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204120443419 is a prime.

It is a super-2 number, since 2×204120443419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204120443479) 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 3 ways as a sum of consecutive naturals, for example, 6003542437 + ... + 6003542470.

It is an arithmetic number, because the mean of its divisors is an integer number (54031882086).

Almost surely, 2^204120443419 is an apocalyptic number.

204120443419 is a deficient number, since it is larger than the sum of its proper divisors (12007084925).

204120443419 is a wasteful number, since it uses less digits than its factorization.

204120443419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007084924.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 204120443419 in words is "two hundred four billion, one hundred twenty million, four hundred forty-three thousand, four hundred nineteen".