204747217203 has 16 divisors (see below), whose sum is σ = 278703653760. Its totient is φ = 133662468096.

The previous prime is 204747217193. The next prime is 204747217219. The reversal of 204747217203 is 302712747402.

It is not a de Polignac number, because 204747217203 - 2⁶ = 204747217139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204747227203) 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, 2205025 + ... + 2296002.

It is an arithmetic number, because the mean of its divisors is an integer number (17418978360).

Almost surely, 2^204747217203 is an apocalyptic number.

204747217203 is a deficient number, since it is larger than the sum of its proper divisors (73956436557).

204747217203 is a wasteful number, since it uses less digits than its factorization.

204747217203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501346.

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 204747217203 in words is "two hundred four billion, seven hundred forty-seven million, two hundred seventeen thousand, two hundred three".