20603225003 has 8 divisors (see below), whose sum is σ = 21676169760. Its totient is φ = 19557443520.

The previous prime is 20603224969. The next prime is 20603225009. The reversal of 20603225003 is 30052230602.

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 not a de Polignac number, because 20603225003 - 2²⁴ = 20586447787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20603225003.

It is not an unprimeable number, because it can be changed into a prime (20603225009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6789263 + ... + 6792296.

It is an arithmetic number, because the mean of its divisors is an integer number (2709521220).

Almost surely, 2^20603225003 is an apocalyptic number.

20603225003 is a deficient number, since it is larger than the sum of its proper divisors (1072944757).

20603225003 is a wasteful number, since it uses less digits than its factorization.

20603225003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13581637.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 20603225003 its reverse (30052230602), we get a palindrome (50655455605).

The spelling of 20603225003 in words is "twenty billion, six hundred three million, two hundred twenty-five thousand, three".