204320022 has 32 divisors (see below), whose sum is σ = 423532800. Its totient is φ = 65633568.

The previous prime is 204320003. The next prime is 204320023. The reversal of 204320022 is 220023402.

204320022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204319983 and 204320010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204320023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148783 + ... + 150149.

It is an arithmetic number, because the mean of its divisors is an integer number (13235400).

Almost surely, 2^204320022 is an apocalyptic number.

204320022 is an abundant number, since it is smaller than the sum of its proper divisors (219212778).

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

204320022 is a wasteful number, since it uses less digits than its factorization.

204320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 204320022 is about 14294.0554777152. The cubic root of 204320022 is about 588.9841967467.

Adding to 204320022 its reverse (220023402), we get a palindrome (424343424).

The spelling of 204320022 in words is "two hundred four million, three hundred twenty thousand, twenty-two".