20027748 has 96 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 5612544.

The previous prime is 20027741. The next prime is 20027783. The reversal of 20027748 is 84772002.

It is a super-2 number, since 2×20027748² = 802221379903008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20027741) 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 31 ways as a sum of consecutive naturals, for example, 85840 + ... + 86072.

It is an arithmetic number, because the mean of its divisors is an integer number (573300).

Almost surely, 2^20027748 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 20027748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27518400).

20027748 is an abundant number, since it is smaller than the sum of its proper divisors (35009052).

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

20027748 is a wasteful number, since it uses less digits than its factorization.

20027748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 20027748 is about 4475.2372004174. The cubic root of 20027748 is about 271.5672364162.

The spelling of 20027748 in words is "twenty million, twenty-seven thousand, seven hundred forty-eight".