20003002 has 4 divisors (see below), whose sum is σ = 30004506. Its totient is φ = 10001500.

The previous prime is 20002981. The next prime is 20003003. The reversal of 20003002 is 20030002.

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., 18156121 + 1846881 = 4261^2 + 1359^2 .

It is not an unprimeable number, because it can be changed into a prime (20003003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000749 + ... + 5000752.

Almost surely, 2^20003002 is an apocalyptic number.

20003002 is a deficient number, since it is larger than the sum of its proper divisors (10001504).

20003002 is a wasteful number, since it uses less digits than its factorization.

20003002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001503.

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 20003002 is about 4472.4715762093. The cubic root of 20003002 is about 271.4553421162.

Adding to 20003002 its reverse (20030002), we get a palindrome (40033004).

Subtracting 20003002 from its reverse (20030002), we obtain a cube (27000 = 30³).

The spelling of 20003002 in words is "twenty million, three thousand, two".