20425030603 has 8 divisors (see below), whose sum is σ = 20536897536. Its totient is φ = 20313215400.

The previous prime is 20425030597. The next prime is 20425030669. The reversal of 20425030603 is 30603052402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20425030603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20425030303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988900 + ... + 1009342.

It is an arithmetic number, because the mean of its divisors is an integer number (2567112192).

Almost surely, 2^20425030603 is an apocalyptic number.

20425030603 is a deficient number, since it is larger than the sum of its proper divisors (111866933).

20425030603 is a wasteful number, since it uses less digits than its factorization.

20425030603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25865.

The product of its (nonzero) digits is 4320, while the sum is 25.

The spelling of 20425030603 in words is "twenty billion, four hundred twenty-five million, thirty thousand, six hundred three".