20250648 has 96 divisors (see below), whose sum is σ = 62112960. Its totient is φ = 6130080.

The previous prime is 20250647. The next prime is 20250661. The reversal of 20250648 is 84605202.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20911 + ... + 21857.

It is an arithmetic number, because the mean of its divisors is an integer number (647010).

Almost surely, 2^20250648 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 20250648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31056480).

20250648 is an abundant number, since it is smaller than the sum of its proper divisors (41862312).

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

20250648 is a wasteful number, since it uses less digits than its factorization.

20250648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 20250648 is about 4500.0719994240. The cubic root of 20250648 is about 272.5709962868.

The spelling of 20250648 in words is "twenty million, two hundred fifty thousand, six hundred forty-eight".