420433568 has 24 divisors (see below), whose sum is σ = 828781632. Its totient is φ = 209949376.

The previous prime is 420433567. The next prime is 420433591. The reversal of 420433568 is 865334024.

It is not an unprimeable number, because it can be changed into a prime (420433567) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 18521 + ... + 34407.

It is an arithmetic number, because the mean of its divisors is an integer number (34532568).

Almost surely, 2^420433568 is an apocalyptic number.

It is an amenable number.

420433568 is a deficient number, since it is larger than the sum of its proper divisors (408348064).

420433568 is a wasteful number, since it uses less digits than its factorization.

420433568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16724 (or 16716 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 420433568 is about 20504.4767794743. The cubic root of 420433568 is about 749.1448433876.

The spelling of 420433568 in words is "four hundred twenty million, four hundred thirty-three thousand, five hundred sixty-eight".