204953843025 has 48 divisors (see below), whose sum is σ = 376611520320. Its totient is φ = 109278604800.

The previous prime is 204953843023. The next prime is 204953843033. The reversal of 204953843025 is 520348359402.

204953843025 is a `hidden beast` number, since 20 + 49 + 538 + 4 + 30 + 25 = 666.

It is not a de Polignac number, because 204953843025 - 2¹ = 204953843023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (204953843023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2527105 + ... + 2606945.

It is an arithmetic number, because the mean of its divisors is an integer number (7846073340).

Almost surely, 2^204953843025 is an apocalyptic number.

204953843025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204953843025 is a deficient number, since it is larger than the sum of its proper divisors (171657677295).

204953843025 is a wasteful number, since it uses less digits than its factorization.

204953843025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83663 (or 83652 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 204953843025 in words is "two hundred four billion, nine hundred fifty-three million, eight hundred forty-three thousand, twenty-five".