204194500054 has 16 divisors (see below), whose sum is σ = 310751526816. Its totient is φ = 100612008000.

The previous prime is 204194500051. The next prime is 204194500091. The reversal of 204194500054 is 450005491402.

It is a junction number, because it is equal to n+sod(n) for n = 204194499992 and 204194500019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204194500051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32997 + ... + 639904.

It is an arithmetic number, because the mean of its divisors is an integer number (19421970426).

Almost surely, 2^204194500054 is an apocalyptic number.

204194500054 is a deficient number, since it is larger than the sum of its proper divisors (106557026762).

204194500054 is a wasteful number, since it uses less digits than its factorization.

204194500054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675111.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 204194500054 its reverse (450005491402), we get a palindrome (654199991456).

The spelling of 204194500054 in words is "two hundred four billion, one hundred ninety-four million, five hundred thousand, fifty-four".