204034402412240 has 20 divisors (see below), whose sum is σ = 474379985608644. Its totient is φ = 81613760964864.

The previous prime is 204034402412237. The next prime is 204034402412263. The reversal of 204034402412240 is 42214204430402.

204034402412240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139597627740736 + 64436774671504 = 11815144^2 + 8027252^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 204034402412197 and 204034402412206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275215014997 + ... + 1275215015156.

Almost surely, 2^{204034402412240} is an apocalyptic number.

204034402412240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204034402412240 is an abundant number, since it is smaller than the sum of its proper divisors (270345583196404).

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

204034402412240 is a wasteful number, since it uses less digits than its factorization.

204034402412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550430030166 (or 2550430030160 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 204034402412240 its reverse (42214204430402), we get a palindrome (246248606842642).

The spelling of 204034402412240 in words is "two hundred four trillion, thirty-four billion, four hundred two million, four hundred twelve thousand, two hundred forty".