420420341 has 4 divisors (see below), whose sum is σ = 458640384. Its totient is φ = 382200300.

The previous prime is 420420317. The next prime is 420420361. The reversal of 420420341 is 143024024.

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.

It is a cyclic number.

It is not a de Polignac number, because 420420341 - 2¹⁸ = 420158197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420420361) 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, 19110005 + ... + 19110026.

It is an arithmetic number, because the mean of its divisors is an integer number (114660096).

Almost surely, 2^420420341 is an apocalyptic number.

It is an amenable number.

420420341 is a deficient number, since it is larger than the sum of its proper divisors (38220043).

420420341 is a wasteful number, since it uses less digits than its factorization.

420420341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38220042.

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

The square root of 420420341 is about 20504.1542376173. The cubic root of 420420341 is about 749.1369871779.

Adding to 420420341 its reverse (143024024), we get a palindrome (563444365).

The spelling of 420420341 in words is "four hundred twenty million, four hundred twenty thousand, three hundred forty-one".