204120524109 has 8 divisors (see below), whose sum is σ = 275439743712. Its totient is φ = 134440826960.

The previous prime is 204120524093. The next prime is 204120524117. The reversal of 204120524109 is 901425021402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204120524109 - 2⁴ = 204120524093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204120544109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409880322 + ... + 409880819.

It is an arithmetic number, because the mean of its divisors is an integer number (34429967964).

Almost surely, 2^204120524109 is an apocalyptic number.

It is an amenable number.

204120524109 is a deficient number, since it is larger than the sum of its proper divisors (71319219603).

204120524109 is an equidigital number, since it uses as much as digits as its factorization.

204120524109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819761227.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 204120524109 in words is "two hundred four billion, one hundred twenty million, five hundred twenty-four thousand, one hundred nine".