420236241 has 8 divisors (see below), whose sum is σ = 561145344. Its totient is φ = 279742320.

The previous prime is 420236213. The next prime is 420236249. The reversal of 420236241 is 142632024.

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

It is not a de Polignac number, because 420236241 - 2⁹ = 420235729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420236249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101425 + ... + 105486.

It is an arithmetic number, because the mean of its divisors is an integer number (70143168).

Almost surely, 2^420236241 is an apocalyptic number.

It is an amenable number.

420236241 is a deficient number, since it is larger than the sum of its proper divisors (140909103).

420236241 is a wasteful number, since it uses less digits than its factorization.

420236241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207591.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 420236241 is about 20499.6644118873. The cubic root of 420236241 is about 749.0276234121.

Adding to 420236241 its reverse (142632024), we get a palindrome (562868265).

The spelling of 420236241 in words is "four hundred twenty million, two hundred thirty-six thousand, two hundred forty-one".