20603560350 has 24 divisors (see below), whose sum is σ = 51096830040. Its totient is φ = 5494282720.

The previous prime is 20603560339. The next prime is 20603560387. The reversal of 20603560350 is 5306530602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68678385 + ... + 68678684.

It is an arithmetic number, because the mean of its divisors is an integer number (2129034585).

Almost surely, 2^20603560350 is an apocalyptic number.

20603560350 is an abundant number, since it is smaller than the sum of its proper divisors (30493269690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20603560350 is a wasteful number, since it uses less digits than its factorization.

20603560350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137357084 (or 137357079 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 20603560350 in words is "twenty billion, six hundred three million, five hundred sixty thousand, three hundred fifty".