204424220442 has 16 divisors (see below), whose sum is σ = 440298321120. Its totient is φ = 62899760112.

The previous prime is 204424220393. The next prime is 204424220459. The reversal of 204424220442 is 244022424402.

It is a happy number.

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, 1310411592 + ... + 1310411747.

It is an arithmetic number, because the mean of its divisors is an integer number (27518645070).

Almost surely, 2^204424220442 is an apocalyptic number.

204424220442 is an abundant number, since it is smaller than the sum of its proper divisors (235874100678).

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

204424220442 is a wasteful number, since it uses less digits than its factorization.

204424220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620823357.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 204424220442 its reverse (244022424402), we get a palindrome (448446644844).

The spelling of 204424220442 in words is "two hundred four billion, four hundred twenty-four million, two hundred twenty thousand, four hundred forty-two".