420414111 has 32 divisors (see below), whose sum is σ = 674365440. Its totient is φ = 257320800.

The previous prime is 420414109. The next prime is 420414119. The reversal of 420414111 is 111414024.

It is not a de Polignac number, because 420414111 - 2¹ = 420414109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420414119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63906 + ... + 70176.

It is an arithmetic number, because the mean of its divisors is an integer number (21073920).

Almost surely, 2^420414111 is an apocalyptic number.

420414111 is a deficient number, since it is larger than the sum of its proper divisors (253951329).

420414111 is a wasteful number, since it uses less digits than its factorization.

420414111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484 (or 6478 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 420414111 is about 20504.0023166210. The cubic root of 420414111 is about 749.1332867968.

Adding to 420414111 its reverse (111414024), we get a palindrome (531828135).

The spelling of 420414111 in words is "four hundred twenty million, four hundred fourteen thousand, one hundred eleven".