4020306168 has 32 divisors (see below), whose sum is σ = 10295908560. Its totient is φ = 1307416320.

The previous prime is 4020306167. The next prime is 4020306179. The reversal of 4020306168 is 8616030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020306161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041855 + ... + 2043822.

Almost surely, 2^4020306168 is an apocalyptic number.

It is an amenable number.

4020306168 is an abundant number, since it is smaller than the sum of its proper divisors (6275602392).

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

4020306168 is a wasteful number, since it uses less digits than its factorization.

4020306168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085727 (or 4085723 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4020306168 is about 63405.8843326075. The cubic root of 4020306168 is about 1590.0826886311.

The spelling of 4020306168 in words is "four billion, twenty million, three hundred six thousand, one hundred sixty-eight".