2003234220 has 384 divisors, whose sum is σ = 7383398400. Its totient is φ = 446155776.

The previous prime is 2003234213. The next prime is 2003234221. The reversal of 2003234220 is 224323002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2003234193 and 2003234202.

It is not an unprimeable number, because it can be changed into a prime (2003234221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3067414 + ... + 3068066.

It is an arithmetic number, because the mean of its divisors is an integer number (19227600).

Almost surely, 2^2003234220 is an apocalyptic number.

2003234220 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 2003234220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3691699200).

2003234220 is an abundant number, since it is smaller than the sum of its proper divisors (5380164180).

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

2003234220 is a wasteful number, since it uses less digits than its factorization.

2003234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2003234220 is about 44757.5046221301. The cubic root of 2003234220 is about 1260.5998277831.

Adding to 2003234220 its reverse (224323002), we get a palindrome (2227557222).

The spelling of 2003234220 in words is "two billion, three million, two hundred thirty-four thousand, two hundred twenty".