204420454045633 has 16 divisors (see below), whose sum is σ = 244424135623680. Its totient is φ = 167157163703376.

The previous prime is 204420454045567. The next prime is 204420454045789. The reversal of 204420454045633 is 336540454024402.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-204420454045633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204420454045433) 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, 1674994735 + ... + 1675116772.

It is an arithmetic number, because the mean of its divisors is an integer number (15276508476480).

Almost surely, 2^{204420454045633} is an apocalyptic number.

204420454045633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

204420454045633 is a deficient number, since it is larger than the sum of its proper divisors (40003681578047).

204420454045633 is a wasteful number, since it uses less digits than its factorization.

204420454045633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350111916.

The product of its (nonzero) digits is 5529600, while the sum is 46.

The spelling of 204420454045633 in words is "two hundred four trillion, four hundred twenty billion, four hundred fifty-four million, forty-five thousand, six hundred thirty-three".