20603225030 has 16 divisors (see below), whose sum is σ = 37874865600. Its totient is φ = 8065943232.

The previous prime is 20603225029. The next prime is 20603225057. The reversal of 20603225030 is 3052230602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20603224987 and 20603225005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21917855 + ... + 21918794.

It is an arithmetic number, because the mean of its divisors is an integer number (2367179100).

Almost surely, 2^20603225030 is an apocalyptic number.

20603225030 is a deficient number, since it is larger than the sum of its proper divisors (17271640570).

20603225030 is a wasteful number, since it uses less digits than its factorization.

20603225030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43836703.

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

Adding to 20603225030 its reverse (3052230602), we get a palindrome (23655455632).

The spelling of 20603225030 in words is "twenty billion, six hundred three million, two hundred twenty-five thousand, thirty".