204226666323340 has 48 divisors (see below), whose sum is σ = 432674847581760. Its totient is φ = 80967088025600.

The previous prime is 204226666323311. The next prime is 204226666323343. The reversal of 204226666323340 is 43323666622402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204226666323343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358510740 + ... + 359079940.

It is an arithmetic number, because the mean of its divisors is an integer number (9014059324620).

Almost surely, 2^{204226666323340} is an apocalyptic number.

204226666323340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204226666323340 is an abundant number, since it is smaller than the sum of its proper divisors (228448181258420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204226666323340 is a wasteful number, since it uses less digits than its factorization.

204226666323340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728082 (or 728080 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 49.

The spelling of 204226666323340 in words is "two hundred four trillion, two hundred twenty-six billion, six hundred sixty-six million, three hundred twenty-three thousand, three hundred forty".