203241220 has 192 divisors, whose sum is σ = 558835200. Its totient is φ = 61641216.

The previous prime is 203241191. The next prime is 203241221. The reversal of 203241220 is 22142302.

It is a junction number, because it is equal to n+sod(n) for n = 203241194 and 203241203.

It is not an unprimeable number, because it can be changed into a prime (203241221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3834714 + ... + 3834766.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^203241220 is an apocalyptic number.

203241220 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 203241220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279417600).

203241220 is an abundant number, since it is smaller than the sum of its proper divisors (355593980).

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

203241220 is a wasteful number, since it uses less digits than its factorization.

203241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 203241220 is about 14256.2694980138. The cubic root of 203241220 is about 587.9457621930.

Adding to 203241220 its reverse (22142302), we get a palindrome (225383522).

The spelling of 203241220 in words is "two hundred three million, two hundred forty-one thousand, two hundred twenty".