203001200220 has 576 divisors, whose sum is σ = 742934707200. Its totient is φ = 40318857216.

The previous prime is 203001200191. The next prime is 203001200257. The reversal of 203001200220 is 22002100302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 203001200196 and 203001200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 193518256 + ... + 193519304.

It is an arithmetic number, because the mean of its divisors is an integer number (1289817200).

Almost surely, 2^203001200220 is an apocalyptic number.

203001200220 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 203001200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371467353600).

203001200220 is an abundant number, since it is smaller than the sum of its proper divisors (539933506980).

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

203001200220 is a wasteful number, since it uses less digits than its factorization.

203001200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 203001200220 its reverse (22002100302), we get a palindrome (225003300522).

The spelling of 203001200220 in words is "two hundred three billion, one million, two hundred thousand, two hundred twenty".