204235240122044 has 24 divisors (see below), whose sum is σ = 369095254593408. Its totient is φ = 98782206232320.

The previous prime is 204235240122041. The next prime is 204235240122059. The reversal of 204235240122044 is 440221042532402.

It is a junction number, because it is equal to n+sod(n) for n = 204235240121995 and 204235240122013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204235240122041) 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, 343844177 + ... + 344437640.

It is an arithmetic number, because the mean of its divisors is an integer number (15378968941392).

Almost surely, 2^{204235240122044} is an apocalyptic number.

It is an amenable number.

204235240122044 is a deficient number, since it is larger than the sum of its proper divisors (164860014471364).

204235240122044 is a wasteful number, since it uses less digits than its factorization.

204235240122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688284245 (or 688284243 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 204235240122044 its reverse (440221042532402), we get a palindrome (644456282654446).

The spelling of 204235240122044 in words is "two hundred four trillion, two hundred thirty-five billion, two hundred forty million, one hundred twenty-two thousand, forty-four".