20041005425 has 12 divisors (see below), whose sum is σ = 28400967936. Its totient is φ = 13742403600.

The previous prime is 20041005419. The next prime is 20041005431. The reversal of 20041005425 is 52450014002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20041005419) and next prime (20041005431).

It is not a de Polignac number, because 20041005425 - 2⁴ = 20041005409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20041005425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57259841 + ... + 57260190.

It is an arithmetic number, because the mean of its divisors is an integer number (2366747328).

Almost surely, 2^20041005425 is an apocalyptic number.

20041005425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20041005425 is a deficient number, since it is larger than the sum of its proper divisors (8359962511).

20041005425 is a wasteful number, since it uses less digits than its factorization.

20041005425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114520048 (or 114520043 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 20041005425 its reverse (52450014002), we get a palindrome (72491019427).

The spelling of 20041005425 in words is "twenty billion, forty-one million, five thousand, four hundred twenty-five".