420003003 has 32 divisors (see below), whose sum is σ = 679795200. Its totient is φ = 225169920.

The previous prime is 420002987. The next prime is 420003011. The reversal of 420003003 is 300300024.

It is not a de Polignac number, because 420003003 - 2⁴ = 420002987 is a prime.

420003003 is a modest number, since divided by 3003 gives 420 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 420003003.

It is not an unprimeable number, because it can be changed into a prime (420003013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122908 + ... + 126278.

It is an arithmetic number, because the mean of its divisors is an integer number (21243600).

Almost surely, 2^420003003 is an apocalyptic number.

420003003 is a deficient number, since it is larger than the sum of its proper divisors (259792197).

420003003 is a wasteful number, since it uses less digits than its factorization.

420003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 420003003 is about 20493.9747974862. The cubic root of 420003003 is about 748.8890235655.

Adding to 420003003 its reverse (300300024), we get a palindrome (720303027).

The spelling of 420003003 in words is "four hundred twenty million, three thousand, three".