204421422104 has 64 divisors (see below), whose sum is σ = 413542281600. Its totient is φ = 94414982400.

The previous prime is 204421422043. The next prime is 204421422143. The reversal of 204421422104 is 401224124402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12025499 + ... + 12042485.

It is an arithmetic number, because the mean of its divisors is an integer number (6461598150).

Almost surely, 2^204421422104 is an apocalyptic number.

It is an amenable number.

204421422104 is an abundant number, since it is smaller than the sum of its proper divisors (209120859496).

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

204421422104 is a wasteful number, since it uses less digits than its factorization.

204421422104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18984 (or 18980 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 204421422104 its reverse (401224124402), we get a palindrome (605645546506).

The spelling of 204421422104 in words is "two hundred four billion, four hundred twenty-one million, four hundred twenty-two thousand, one hundred four".