204321102 has 32 divisors (see below), whose sum is σ = 416171520. Its totient is φ = 66860640.

The previous prime is 204321077. The next prime is 204321109. The reversal of 204321102 is 201123402.

204321102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204321102² = 83494225444988808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204321109) 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, 113703 + ... + 115485.

It is an arithmetic number, because the mean of its divisors is an integer number (13005360).

Almost surely, 2^204321102 is an apocalyptic number.

204321102 is an abundant number, since it is smaller than the sum of its proper divisors (211850418).

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

204321102 is a wasteful number, since it uses less digits than its factorization.

204321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 204321102 is about 14294.0932556074. The cubic root of 204321102 is about 588.9852345008.

Adding to 204321102 its reverse (201123402), we get a palindrome (405444504).

The spelling of 204321102 in words is "two hundred four million, three hundred twenty-one thousand, one hundred two".