204023331209 has 8 divisors (see below), whose sum is σ = 205433108352. Its totient is φ = 202617732240.

The previous prime is 204023331143. The next prime is 204023331247. The reversal of 204023331209 is 902133320402.

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 204023331209 - 2¹² = 204023327113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204023331269) 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, 946514 + ... + 1141899.

It is an arithmetic number, because the mean of its divisors is an integer number (25679138544).

Almost surely, 2^204023331209 is an apocalyptic number.

It is an amenable number.

204023331209 is a deficient number, since it is larger than the sum of its proper divisors (1409777143).

204023331209 is a wasteful number, since it uses less digits than its factorization.

204023331209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089087.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 204023331209 in words is "two hundred four billion, twenty-three million, three hundred thirty-one thousand, two hundred nine".