420211411 has 4 divisors (see below), whose sum is σ = 420253792. Its totient is φ = 420169032.

The previous prime is 420211397. The next prime is 420211427. The reversal of 420211411 is 114112024.

It is a happy number.

It is a semiprime because it is the product of two primes, 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 420211411 - 2⁷ = 420211283 is a prime.

It is a super-2 number, since 2×420211411² = 353155259869221842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420211481) 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, 2545 + ... + 29101.

It is an arithmetic number, because the mean of its divisors is an integer number (105063448).

Almost surely, 2^420211411 is an apocalyptic number.

420211411 is a deficient number, since it is larger than the sum of its proper divisors (42381).

420211411 is a wasteful number, since it uses less digits than its factorization.

420211411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42380.

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

The square root of 420211411 is about 20499.0587832710. The cubic root of 420211411 is about 749.0128708195.

Adding to 420211411 its reverse (114112024), we get a palindrome (534323435).

The spelling of 420211411 in words is "four hundred twenty million, two hundred eleven thousand, four hundred eleven".