420113403 has 12 divisors (see below), whose sum is σ = 607351368. Its totient is φ = 279835200.

The previous prime is 420113399. The next prime is 420113411. The reversal of 420113403 is 304311024.

It is not a de Polignac number, because 420113403 - 2² = 420113399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420113203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8625 + ... + 30242.

It is an arithmetic number, because the mean of its divisors is an integer number (50612614).

Almost surely, 2^420113403 is an apocalyptic number.

420113403 is a deficient number, since it is larger than the sum of its proper divisors (187237965).

420113403 is a wasteful number, since it uses less digits than its factorization.

420113403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40074 (or 40071 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 420113403 is about 20496.6680950832. The cubic root of 420113403 is about 748.9546342910.

Adding to 420113403 its reverse (304311024), we get a palindrome (724424427).

The spelling of 420113403 in words is "four hundred twenty million, one hundred thirteen thousand, four hundred three".