20603250812 has 6 divisors (see below), whose sum is σ = 36055688928. Its totient is φ = 10301625404.

The previous prime is 20603250791. The next prime is 20603250823. The reversal of 20603250812 is 21805230602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575406348 + ... + 2575406355.

It is an arithmetic number, because the mean of its divisors is an integer number (6009281488).

Almost surely, 2^20603250812 is an apocalyptic number.

It is an amenable number.

20603250812 is a deficient number, since it is larger than the sum of its proper divisors (15452438116).

20603250812 is a wasteful number, since it uses less digits than its factorization.

20603250812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150812707 (or 5150812705 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 20603250812 in words is "twenty billion, six hundred three million, two hundred fifty thousand, eight hundred twelve".