420568056 has 24 divisors (see below), whose sum is σ = 1139038680. Its totient is φ = 140189328.

The previous prime is 420568051. The next prime is 420568067. The reversal of 420568056 is 650865024.

420568056 is a `hidden beast` number, since 42 + 0 + 568 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 420568056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420568051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2920540 + ... + 2920683.

It is an arithmetic number, because the mean of its divisors is an integer number (47459945).

Almost surely, 2^420568056 is an apocalyptic number.

It is an amenable number.

420568056 is an abundant number, since it is smaller than the sum of its proper divisors (718470624).

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

420568056 is a wasteful number, since it uses less digits than its factorization.

420568056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841235 (or 5841228 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 420568056 is about 20507.7559962079. The cubic root of 420568056 is about 749.2247135173.

The spelling of 420568056 in words is "four hundred twenty million, five hundred sixty-eight thousand, fifty-six".