204420402240412 has 12 divisors (see below), whose sum is σ = 357735856892680. Its totient is φ = 102210157413936.

The previous prime is 204420402240377. The next prime is 204420402240413. The reversal of 204420402240412 is 214042204024402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204420402240413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057414 + ... + 20247442.

Almost surely, 2^{204420402240412} is an apocalyptic number.

It is an amenable number.

204420402240412 is a deficient number, since it is larger than the sum of its proper divisors (153315454652268).

204420402240412 is a wasteful number, since it uses less digits than its factorization.

204420402240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21853140 (or 21853138 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 204420402240412 its reverse (214042204024402), we get a palindrome (418462606264814).

The spelling of 204420402240412 in words is "two hundred four trillion, four hundred twenty billion, four hundred two million, two hundred forty thousand, four hundred twelve".