420101168 has 20 divisors (see below), whose sum is σ = 814609320. Its totient is φ = 209879424.

The previous prime is 420101159. The next prime is 420101197. The reversal of 420101168 is 861101024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10868 + ... + 30956.

It is an arithmetic number, because the mean of its divisors is an integer number (40730466).

Almost surely, 2^420101168 is an apocalyptic number.

It is an amenable number.

420101168 is a deficient number, since it is larger than the sum of its proper divisors (394508152).

420101168 is a wasteful number, since it uses less digits than its factorization.

420101168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21404 (or 21398 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 420101168 is about 20496.3696297661. The cubic root of 420101168 is about 748.9473635963.

The spelling of 420101168 in words is "four hundred twenty million, one hundred one thousand, one hundred sixty-eight".