420015164 has 6 divisors (see below), whose sum is σ = 735026544. Its totient is φ = 210007580.

The previous prime is 420015131. The next prime is 420015181. The reversal of 420015164 is 461510024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52501892 + ... + 52501899.

It is an arithmetic number, because the mean of its divisors is an integer number (122504424).

Almost surely, 2^420015164 is an apocalyptic number.

It is an amenable number.

420015164 is a deficient number, since it is larger than the sum of its proper divisors (315011380).

420015164 is a wasteful number, since it uses less digits than its factorization.

420015164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105003795 (or 105003793 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 420015164 is about 20494.2714922975. The cubic root of 420015164 is about 748.8962514119.

Adding to 420015164 its reverse (461510024), we get a palindrome (881525188).

The spelling of 420015164 in words is "four hundred twenty million, fifteen thousand, one hundred sixty-four".