204815223701 has 8 divisors (see below), whose sum is σ = 228884419008. Its totient is φ = 181654300000.

The previous prime is 204815223689. The next prime is 204815223703. The reversal of 204815223701 is 107322518402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204815223701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204815223703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227067425 + ... + 227068326.

It is an arithmetic number, because the mean of its divisors is an integer number (28610552376).

Almost surely, 2^204815223701 is an apocalyptic number.

It is an amenable number.

204815223701 is a deficient number, since it is larger than the sum of its proper divisors (24069195307).

204815223701 is a wasteful number, since it uses less digits than its factorization.

204815223701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454135803.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 204815223701 in words is "two hundred four billion, eight hundred fifteen million, two hundred twenty-three thousand, seven hundred one".