20073168 has 30 divisors (see below), whose sum is σ = 56177394. Its totient is φ = 6691008.

The previous prime is 20073161. The next prime is 20073169. The reversal of 20073168 is 86137002.

It can be written as a sum of positive squares in only one way, i.e., 14653584 + 5419584 = 3828^2 + 2328^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20073161) 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, 69555 + ... + 69842.

Almost surely, 2^20073168 is an apocalyptic number.

It is an amenable number.

20073168 is an abundant number, since it is smaller than the sum of its proper divisors (36104226).

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

20073168 is a wasteful number, since it uses less digits than its factorization.

20073168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139411 (or 139402 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 20073168 is about 4480.3089179207. The cubic root of 20073168 is about 271.7723729974.

The spelling of 20073168 in words is "twenty million, seventy-three thousand, one hundred sixty-eight".