420066895 has 16 divisors (see below), whose sum is σ = 520973568. Its totient is φ = 324817920.

The previous prime is 420066863. The next prime is 420066919. The reversal of 420066895 is 598660024.

It is a happy number.

It is not a de Polignac number, because 420066895 - 2⁵ = 420066863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246687 + ... + 248383.

It is an arithmetic number, because the mean of its divisors is an integer number (32560848).

Almost surely, 2^420066895 is an apocalyptic number.

420066895 is a deficient number, since it is larger than the sum of its proper divisors (100906673).

420066895 is a wasteful number, since it uses less digits than its factorization.

420066895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 420066895 is about 20495.5335378223. The cubic root of 420066895 is about 748.9269959856.

The spelling of 420066895 in words is "four hundred twenty million, sixty-six thousand, eight hundred ninety-five".