2003220026 has 4 divisors (see below), whose sum is σ = 3004830042. Its totient is φ = 1001610012.

The previous prime is 2003220019. The next prime is 2003220047. The reversal of 2003220026 is 6200223002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1214452801 + 788767225 = 34849^2 + 28085^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2003219986 and 2003220013.

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 as a sum of consecutive naturals, namely, 500805005 + ... + 500805008.

Almost surely, 2^2003220026 is an apocalyptic number.

2003220026 is a deficient number, since it is larger than the sum of its proper divisors (1001610016).

2003220026 is a wasteful number, since it uses less digits than its factorization.

2003220026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001610015.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2003220026 is about 44757.3460562621. The cubic root of 2003220026 is about 1260.5968504317.

Adding to 2003220026 its reverse (6200223002), we get a palindrome (8203443028).

The spelling of 2003220026 in words is "two billion, three million, two hundred twenty thousand, twenty-six".