420241433 has 4 divisors (see below), whose sum is σ = 420286080. Its totient is φ = 420196788.

The previous prime is 420241427. The next prime is 420241453. The reversal of 420241433 is 334142024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 420241433 - 2⁴ = 420241417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420241399 and 420241408.

It is not an unprimeable number, because it can be changed into a prime (420241453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093 + ... + 29066.

It is an arithmetic number, because the mean of its divisors is an integer number (105071520).

Almost surely, 2^420241433 is an apocalyptic number.

It is an amenable number.

420241433 is a deficient number, since it is larger than the sum of its proper divisors (44647).

420241433 is a wasteful number, since it uses less digits than its factorization.

420241433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44646.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 420241433 is about 20499.7910477156. The cubic root of 420241433 is about 749.0307081337.

Adding to 420241433 its reverse (334142024), we get a palindrome (754383457).

The spelling of 420241433 in words is "four hundred twenty million, two hundred forty-one thousand, four hundred thirty-three".