20133358664 has 16 divisors (see below), whose sum is σ = 39736892400. Its totient is φ = 9536854032.

The previous prime is 20133358643. The next prime is 20133358699. The reversal of 20133358664 is 46685333102.

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, 66228002 + ... + 66228305.

It is an arithmetic number, because the mean of its divisors is an integer number (2483555775).

Almost surely, 2^20133358664 is an apocalyptic number.

It is an amenable number.

20133358664 is a deficient number, since it is larger than the sum of its proper divisors (19603533736).

20133358664 is a wasteful number, since it uses less digits than its factorization.

20133358664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132456332 (or 132456328 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 20133358664 in words is "twenty billion, one hundred thirty-three million, three hundred fifty-eight thousand, six hundred sixty-four".