20052288 has 84 divisors (see below), whose sum is σ = 59383168. Its totient is φ = 6462720.

The previous prime is 20052283. The next prime is 20052289. The reversal of 20052288 is 88225002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052281) 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 11 ways as a sum of consecutive naturals, for example, 17295 + ... + 18417.

Almost surely, 2^20052288 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 20052288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29691584).

20052288 is an abundant number, since it is smaller than the sum of its proper divisors (39330880).

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

20052288 is a wasteful number, since it uses less digits than its factorization.

20052288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 20052288 is about 4477.9781151765. The cubic root of 20052288 is about 271.6781082580.

The spelling of 20052288 in words is "twenty million, fifty-two thousand, two hundred eighty-eight".