202104 has 48 divisors (see below), whose sum is σ = 627120. Its totient is φ = 57600.

The previous prime is 202099. The next prime is 202109. The reversal of 202104 is 401202.

202104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202099) and next prime (202109).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202109) by changing a digit.

202104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304 + ... + 704.

It is an arithmetic number, because the mean of its divisors is an integer number (13065).

2²⁰²¹⁰⁴ is an apocalyptic number.

202104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313560).

202104 is an abundant number, since it is smaller than the sum of its proper divisors (425016).

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

202104 is a wasteful number, since it uses less digits than its factorization.

202104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 202104 is about 449.5597846783. The cubic root of 202104 is about 58.6847109325.

Adding to 202104 its reverse (401202), we get a palindrome (603306).

The spelling of 202104 in words is "two hundred two thousand, one hundred four", and thus it is an iban number.