420424442003 has 8 divisors (see below), whose sum is σ = 430807667136. Its totient is φ = 410047358400.

The previous prime is 420424441897. The next prime is 420424442023. The reversal of 420424442003 is 300244424024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420424442003 - 2¹² = 420424437907 is a prime.

It is a super-2 number, since 2×420424442003² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420424442023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396628 + ... + 1670753.

It is an arithmetic number, because the mean of its divisors is an integer number (53850958392).

Almost surely, 2^420424442003 is an apocalyptic number.

420424442003 is a deficient number, since it is larger than the sum of its proper divisors (10383225133).

420424442003 is a wasteful number, since it uses less digits than its factorization.

420424442003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070765.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 420424442003 its reverse (300244424024), we get a palindrome (720668866027).

The spelling of 420424442003 in words is "four hundred twenty billion, four hundred twenty-four million, four hundred forty-two thousand, three".