420014403 has 20 divisors (see below), whose sum is σ = 628517560. Its totient is φ = 279523872.

The previous prime is 420014401. The next prime is 420014429. The reversal of 420014403 is 304410024.

It is not a de Polignac number, because 420014403 - 2¹ = 420014401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420014401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45951 + ... + 54327.

It is an arithmetic number, because the mean of its divisors is an integer number (31425878).

Almost surely, 2^420014403 is an apocalyptic number.

420014403 is a deficient number, since it is larger than the sum of its proper divisors (208503157).

420014403 is an equidigital number, since it uses as much as digits as its factorization.

420014403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008 (or 8999 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 420014403 is about 20494.2529261254. The cubic root of 420014403 is about 748.8957991184.

Adding to 420014403 its reverse (304410024), we get a palindrome (724424427).

The spelling of 420014403 in words is "four hundred twenty million, fourteen thousand, four hundred three".