420444033 has 16 divisors (see below), whose sum is σ = 564338880. Its totient is φ = 278429696.

The previous prime is 420444023. The next prime is 420444047. The reversal of 420444033 is 330444024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420444033 - 2²¹ = 418346881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420443994 and 420444012.

It is not an unprimeable number, because it can be changed into a prime (420444023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452113 + ... + 453041.

It is an arithmetic number, because the mean of its divisors is an integer number (35271180).

Almost surely, 2^420444033 is an apocalyptic number.

It is an amenable number.

420444033 is a deficient number, since it is larger than the sum of its proper divisors (143894847).

420444033 is a wasteful number, since it uses less digits than its factorization.

420444033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 420444033 is about 20504.7319660609. The cubic root of 420444033 is about 749.1510589837.

Adding to 420444033 its reverse (330444024), we get a palindrome (750888057).

Subtracting from 420444033 its reverse (330444024), we obtain a palindrome (90000009).

The spelling of 420444033 in words is "four hundred twenty million, four hundred forty-four thousand, thirty-three".