20335568228 has 12 divisors (see below), whose sum is σ = 35843268720. Its totient is φ = 10094634312.

The previous prime is 20335568189. The next prime is 20335568233. The reversal of 20335568228 is 82286553302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18286826 + ... + 18287937.

It is an arithmetic number, because the mean of its divisors is an integer number (2986939060).

Almost surely, 2^20335568228 is an apocalyptic number.

It is an amenable number.

20335568228 is a deficient number, since it is larger than the sum of its proper divisors (15507700492).

20335568228 is a wasteful number, since it uses less digits than its factorization.

20335568228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36574906 (or 36574904 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 20335568228 in words is "twenty billion, three hundred thirty-five million, five hundred sixty-eight thousand, two hundred twenty-eight".