80168020 has 24 divisors (see below), whose sum is σ = 171208800. Its totient is φ = 31523232.

The previous prime is 80168003. The next prime is 80168021. The reversal of 80168020 is 2086108.

It is a super-2 number, since 2×80168020² = 12853822861440800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80168021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32790 + ... + 35149.

It is an arithmetic number, because the mean of its divisors is an integer number (7133700).

Almost surely, 2^80168020 is an apocalyptic number.

It is an amenable number.

80168020 is an abundant number, since it is smaller than the sum of its proper divisors (91040780).

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

80168020 is a wasteful number, since it uses less digits than its factorization.

80168020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68007 (or 68005 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 80168020 is about 8953.6595870069. The cubic root of 80168020 is about 431.1883838314.

It can be divided in two parts, 80 and 168020, that added together give a square (168100 = 410²).

The spelling of 80168020 in words is "eighty million, one hundred sixty-eight thousand, twenty".