420214164 has 12 divisors (see below), whose sum is σ = 980499744. Its totient is φ = 140071384.

The previous prime is 420214159. The next prime is 420214183. The reversal of 420214164 is 461412024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17508912 + ... + 17508935.

It is an arithmetic number, because the mean of its divisors is an integer number (81708312).

Almost surely, 2^420214164 is an apocalyptic number.

It is an amenable number.

420214164 is an abundant number, since it is smaller than the sum of its proper divisors (560285580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420214164 is a wasteful number, since it uses less digits than its factorization.

420214164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35017854 (or 35017852 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 420214164 is about 20499.1259325855. The cubic root of 420214164 is about 749.0145065262.

Adding to 420214164 its reverse (461412024), we get a palindrome (881626188).

The spelling of 420214164 in words is "four hundred twenty million, two hundred fourteen thousand, one hundred sixty-four".