420430241 has 24 divisors (see below), whose sum is σ = 538784064. Its totient is φ = 324384480.

The previous prime is 420430211. The next prime is 420430249. The reversal of 420430241 is 142034024.

It is not a de Polignac number, because 420430241 - 2¹⁴ = 420413857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420430249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51731 + ... + 59303.

It is an arithmetic number, because the mean of its divisors is an integer number (22449336).

Almost surely, 2^420430241 is an apocalyptic number.

It is an amenable number.

420430241 is a deficient number, since it is larger than the sum of its proper divisors (118353823).

420430241 is a wasteful number, since it uses less digits than its factorization.

420430241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701 (or 7694 counting only the distinct ones).

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

The square root of 420430241 is about 20504.3956506891. The cubic root of 420430241 is about 749.1428673231.

Adding to 420430241 its reverse (142034024), we get a palindrome (562464265).

The spelling of 420430241 in words is "four hundred twenty million, four hundred thirty thousand, two hundred forty-one".