203242252100 has 72 divisors (see below), whose sum is σ = 456016000608. Its totient is φ = 78572627200.

The previous prime is 203242252099. The next prime is 203242252159. The reversal of 203242252100 is 1252242302.

203242252100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207059 + ... + 670341.

It is an arithmetic number, because the mean of its divisors is an integer number (6333555564).

Almost surely, 2^203242252100 is an apocalyptic number.

203242252100 is a gapful number since it is divisible by the number (20) 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 203242252100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228008000304).

203242252100 is an abundant number, since it is smaller than the sum of its proper divisors (252773748508).

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

203242252100 is a wasteful number, since it uses less digits than its factorization.

203242252100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463445 (or 463438 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 203242252100 its reverse (1252242302), we get a palindrome (204494494402).

The spelling of 203242252100 in words is "two hundred three billion, two hundred forty-two million, two hundred fifty-two thousand, one hundred".