204122034434154 has 16 divisors (see below), whose sum is σ = 411856848240192. Its totient is φ = 67438548249408.

The previous prime is 204122034434117. The next prime is 204122034434183. The reversal of 204122034434154 is 451434430221402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150532473094 + ... + 150532474449.

It is an arithmetic number, because the mean of its divisors is an integer number (25741053015012).

Almost surely, 2^{204122034434154} is an apocalyptic number.

204122034434154 is an abundant number, since it is smaller than the sum of its proper divisors (207734813806038).

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

204122034434154 is a wasteful number, since it uses less digits than its factorization.

204122034434154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301064947661.

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 204122034434154 its reverse (451434430221402), we get a palindrome (655556464655556).

The spelling of 204122034434154 in words is "two hundred four trillion, one hundred twenty-two billion, thirty-four million, four hundred thirty-four thousand, one hundred fifty-four".