204947147754 has 64 divisors (see below), whose sum is σ = 471269232000. Its totient is φ = 65942311680.

The previous prime is 204947147731. The next prime is 204947147759. The reversal of 204947147754 is 457741749402.

204947147754 is a `hidden beast` number, since 2 + 0 + 494 + 7 + 147 + 7 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 204947147754.

It is not an unprimeable number, because it can be changed into a prime (204947147759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6625977 + ... + 6656835.

It is an arithmetic number, because the mean of its divisors is an integer number (7363581750).

Almost surely, 2^204947147754 is an apocalyptic number.

204947147754 is an abundant number, since it is smaller than the sum of its proper divisors (266322084246).

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

204947147754 is a wasteful number, since it uses less digits than its factorization.

204947147754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35140 (or 35134 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 204947147754 in words is "two hundred four billion, nine hundred forty-seven million, one hundred forty-seven thousand, seven hundred fifty-four".