204244020222 has 64 divisors (see below), whose sum is σ = 450210935808. Its totient is φ = 61255440000.

The previous prime is 204244020209. The next prime is 204244020223. The reversal of 204244020222 is 222020442402.

It is a junction number, because it is equal to n+sod(n) for n = 204244020192 and 204244020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204244020223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24840072 + ... + 24848292.

It is an arithmetic number, because the mean of its divisors is an integer number (7034545872).

Almost surely, 2^204244020222 is an apocalyptic number.

204244020222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 204244020222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225105467904).

204244020222 is an abundant number, since it is smaller than the sum of its proper divisors (245966915586).

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

204244020222 is a wasteful number, since it uses less digits than its factorization.

204244020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 204244020222 its reverse (222020442402), we get a palindrome (426264462624).

The spelling of 204244020222 in words is "two hundred four billion, two hundred forty-four million, twenty thousand, two hundred twenty-two".