20054425 has 6 divisors (see below), whose sum is σ = 24867518. Its totient is φ = 16043520.

The previous prime is 20054417. The next prime is 20054431. The reversal of 20054425 is 52445002.

It can be written as a sum of positive squares in 3 ways, for example, as 1140624 + 18913801 = 1068^2 + 4349^2 .

It is not a de Polignac number, because 20054425 - 2³ = 20054417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20054396 and 20054405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401064 + ... + 401113.

Almost surely, 2^20054425 is an apocalyptic number.

20054425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20054425 is a deficient number, since it is larger than the sum of its proper divisors (4813093).

20054425 is an equidigital number, since it uses as much as digits as its factorization.

20054425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802187 (or 802182 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 20054425 is about 4478.2167209728. The cubic root of 20054425 is about 271.6877589522.

Adding to 20054425 its reverse (52445002), we get a palindrome (72499427).

The spelling of 20054425 in words is "twenty million, fifty-four thousand, four hundred twenty-five".