20833555768 has 64 divisors (see below), whose sum is σ = 40651269120. Its totient is φ = 10003344000.

The previous prime is 20833555763. The next prime is 20833555817. The reversal of 20833555768 is 86755533802.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20833555763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4710198 + ... + 4714618.

It is an arithmetic number, because the mean of its divisors is an integer number (635176080).

Almost surely, 2^20833555768 is an apocalyptic number.

It is an amenable number.

20833555768 is a deficient number, since it is larger than the sum of its proper divisors (19817713352).

20833555768 is a wasteful number, since it uses less digits than its factorization.

20833555768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708 (or 4704 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 20833555768 in words is "twenty billion, eight hundred thirty-three million, five hundred fifty-five thousand, seven hundred sixty-eight".