420203441 has 8 divisors (see below), whose sum is σ = 488105664. Its totient is φ = 354269520.

The previous prime is 420203401. The next prime is 420203447. The reversal of 420203441 is 144302024.

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 420203441 - 2¹⁴ = 420187057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420203447) 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, 491615 + ... + 492468.

It is an arithmetic number, because the mean of its divisors is an integer number (61013208).

Almost surely, 2^420203441 is an apocalyptic number.

It is an amenable number.

420203441 is a deficient number, since it is larger than the sum of its proper divisors (67902223).

420203441 is an equidigital number, since it uses as much as digits as its factorization.

420203441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984151.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 420203441 is about 20498.8643831799. The cubic root of 420203441 is about 749.0081353695.

Adding to 420203441 its reverse (144302024), we get a palindrome (564505465).

The spelling of 420203441 in words is "four hundred twenty million, two hundred three thousand, four hundred forty-one".