1003020200 has 144 divisors (see below), whose sum is σ = 2921805180. Its totient is φ = 317399040.

The previous prime is 1003020199. The next prime is 1003020209. The reversal of 1003020200 is 20203001.

It can be written as a sum of positive squares in 6 ways, for example, as 20448484 + 982571716 = 4522^2 + 31346^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1003020209) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 123464 + ... + 131336.

Almost surely, 2^1003020200 is an apocalyptic number.

1003020200 is a gapful number since it is divisible by the number (10) 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 1003020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460902590).

1003020200 is an abundant number, since it is smaller than the sum of its proper divisors (1918784980).

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

1003020200 is a wasteful number, since it uses less digits than its factorization.

1003020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916 (or 7900 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1003020200 is about 31670.4941546544. The cubic root of 1003020200 is about 1001.0057215185.

Adding to 1003020200 its reverse (20203001), we get a palindrome (1023223201).

The spelling of 1003020200 in words is "one billion, three million, twenty thousand, two hundred".