204722314155203 has 48 divisors (see below), whose sum is σ = 235859115824640. Its totient is φ = 176534515789632.

The previous prime is 204722314155199. The next prime is 204722314155217. The reversal of 204722314155203 is 302551413227402.

It is a happy number.

It is not a de Polignac number, because 204722314155203 - 2² = 204722314155199 is a prime.

It is a super-2 number, since 2×204722314155203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204722314155103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3004093976 + ... + 3004162122.

It is an arithmetic number, because the mean of its divisors is an integer number (4913731579680).

Almost surely, 2^{204722314155203} is an apocalyptic number.

204722314155203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204722314155203 is a deficient number, since it is larger than the sum of its proper divisors (31136801669437).

204722314155203 is a wasteful number, since it uses less digits than its factorization.

204722314155203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78408 (or 78385 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 204722314155203 in words is "two hundred four trillion, seven hundred twenty-two billion, three hundred fourteen million, one hundred fifty-five thousand, two hundred three".