20027250 has 160 divisors (see below), whose sum is σ = 59799168. Its totient is φ = 4989600.

The previous prime is 20027221. The next prime is 20027251. The reversal of 20027250 is 5272002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20027251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 465729 + ... + 465771.

Almost surely, 2^20027250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20027250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29899584).

20027250 is an abundant number, since it is smaller than the sum of its proper divisors (39771918).

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

20027250 is a wasteful number, since it uses less digits than its factorization.

20027250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 20027250 is about 4475.1815605627. The cubic root of 20027250 is about 271.5649855123.

Adding to 20027250 its reverse (5272002), we get a palindrome (25299252).

The spelling of 20027250 in words is "twenty million, twenty-seven thousand, two hundred fifty".