203242104 has 72 divisors (see below), whose sum is σ = 596082240. Its totient is φ = 62532288.

The previous prime is 203242097. The next prime is 203242129. The reversal of 203242104 is 401242302.

203242104 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 tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3817 + ... + 20519.

It is an arithmetic number, because the mean of its divisors is an integer number (8278920).

Almost surely, 2^203242104 is an apocalyptic number.

203242104 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 203242104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298041120).

203242104 is an abundant number, since it is smaller than the sum of its proper divisors (392840136).

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

203242104 is a wasteful number, since it uses less digits than its factorization.

203242104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16741 (or 16721 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 203242104 is about 14256.3005018834. The cubic root of 203242104 is about 587.9466146173.

Adding to 203242104 its reverse (401242302), we get a palindrome (604484406).

The spelling of 203242104 in words is "two hundred three million, two hundred forty-two thousand, one hundred four".