20073768 has 64 divisors (see below), whose sum is σ = 58968000. Its totient is φ = 5614080.

The previous prime is 20073749. The next prime is 20073769. The reversal of 20073768 is 86737002.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20073769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508 + ... + 6356.

It is an arithmetic number, because the mean of its divisors is an integer number (921375).

Almost surely, 2^20073768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20073768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29484000).

20073768 is an abundant number, since it is smaller than the sum of its proper divisors (38894232).

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

20073768 is a wasteful number, since it uses less digits than its factorization.

20073768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882 (or 5878 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 20073768 is about 4480.3758770889. The cubic root of 20073768 is about 271.7750807879.

It can be divided in two parts, 2007 and 3768, that added together give a palindrome (5775).

The spelling of 20073768 in words is "twenty million, seventy-three thousand, seven hundred sixty-eight".