20050425 has 18 divisors (see below), whose sum is σ = 35912942. Its totient is φ = 10693440.

The previous prime is 20050403. The next prime is 20050439. The reversal of 20050425 is 52405002.

It can be written as a sum of positive squares in 3 ways, for example, as 944784 + 19105641 = 972^2 + 4371^2 .

It is not a de Polignac number, because 20050425 - 2¹⁶ = 19984889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20050398 and 20050407.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44332 + ... + 44781.

Almost surely, 2^20050425 is an apocalyptic number.

20050425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20050425 is a deficient number, since it is larger than the sum of its proper divisors (15862517).

20050425 is a wasteful number, since it uses less digits than its factorization.

20050425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89129 (or 89121 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 20050425 is about 4477.7700923562. The cubic root of 20050425 is about 271.6696943887.

Adding to 20050425 its reverse (52405002), we get a palindrome (72455427).

It can be divided in two parts, 200 and 50425, that added together give a 4-th power (50625 = 15⁴).

The spelling of 20050425 in words is "twenty million, fifty thousand, four hundred twenty-five".