204424022020 has 12 divisors (see below), whose sum is σ = 429290446284. Its totient is φ = 81769608800.

The previous prime is 204424022009. The next prime is 204424022111. The reversal of 204424022020 is 20220424402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120449255364 + 83974766656 = 347058^2 + 289784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204424021982 and 204424022000.

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, 5110600531 + ... + 5110600570.

It is an arithmetic number, because the mean of its divisors is an integer number (35774203857).

Almost surely, 2^204424022020 is an apocalyptic number.

204424022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204424022020 is an abundant number, since it is smaller than the sum of its proper divisors (224866424264).

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

204424022020 is a wasteful number, since it uses less digits than its factorization.

204424022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221201110 (or 10221201108 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 204424022020 its reverse (20220424402), we get a palindrome (224644446422).

The spelling of 204424022020 in words is "two hundred four billion, four hundred twenty-four million, twenty-two thousand, twenty".