20250484 has 6 divisors (see below), whose sum is σ = 35438354. Its totient is φ = 10125240.

The previous prime is 20250481. The next prime is 20250491. The reversal of 20250484 is 48405202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20250000 + 484 = 4500^2 + 22^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2531307 + ... + 2531314.

Almost surely, 2^20250484 is an apocalyptic number.

It is an amenable number.

20250484 is a deficient number, since it is larger than the sum of its proper divisors (15187870).

20250484 is a wasteful number, since it uses less digits than its factorization.

20250484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062625 (or 5062623 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 20250484 is about 4500.0537774564. The cubic root of 20250484 is about 272.5702604788.

Adding to 20250484 its reverse (48405202), we get a palindrome (68655686).

The spelling of 20250484 in words is "twenty million, two hundred fifty thousand, four hundred eighty-four".