420111214 has 4 divisors (see below), whose sum is σ = 630166824. Its totient is φ = 210055606.

The previous prime is 420111187. The next prime is 420111221. The reversal of 420111214 is 412111024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105027802 + ... + 105027805.

It is an arithmetic number, because the mean of its divisors is an integer number (157541706).

Almost surely, 2^420111214 is an apocalyptic number.

420111214 is a deficient number, since it is larger than the sum of its proper divisors (210055610).

420111214 is a wasteful number, since it uses less digits than its factorization.

420111214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210055609.

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

The square root of 420111214 is about 20496.6146960907. The cubic root of 420111214 is about 748.9533334799.

Adding to 420111214 its reverse (412111024), we get a palindrome (832222238).

The spelling of 420111214 in words is "four hundred twenty million, one hundred eleven thousand, two hundred fourteen".