2002020403 has 2 divisors, whose sum is σ = 2002020404. Its totient is φ = 2002020402.

The previous prime is 2002020347. The next prime is 2002020421. The reversal of 2002020403 is 3040202002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002020403 - 2⁹ = 2002019891 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002020103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001010201 + 1001010202.

It is an arithmetic number, because the mean of its divisors is an integer number (1001010202).

Almost surely, 2^2002020403 is an apocalyptic number.

2002020403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002020403 is an equidigital number, since it uses as much as digits as its factorization.

2002020403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2002020403 is about 44743.9426403172. The cubic root of 2002020403 is about 1260.3451651578.

Adding to 2002020403 its reverse (3040202002), we get a palindrome (5042222405).

The spelling of 2002020403 in words is "two billion, two million, twenty thousand, four hundred three".