420411211 has 8 divisors (see below), whose sum is σ = 467284464. Its totient is φ = 374980320.

The previous prime is 420411197. The next prime is 420411247. The reversal of 420411211 is 112114024.

It is a happy number.

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

It is not a de Polignac number, because 420411211 - 2⁵ = 420411179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420411011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359976 + ... + 361141.

It is an arithmetic number, because the mean of its divisors is an integer number (58410558).

Almost surely, 2^420411211 is an apocalyptic number.

420411211 is a deficient number, since it is larger than the sum of its proper divisors (46873253).

420411211 is a wasteful number, since it uses less digits than its factorization.

420411211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721181.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 420411211 is about 20503.9315985984. The cubic root of 420411211 is about 749.1315642955.

Adding to 420411211 its reverse (112114024), we get a palindrome (532525235).

The spelling of 420411211 in words is "four hundred twenty million, four hundred eleven thousand, two hundred eleven".