20053521575768 has 64 divisors (see below), whose sum is σ = 39175290684000. Its totient is φ = 9611895193600.

The previous prime is 20053521575699. The next prime is 20053521575831. The reversal of 20053521575768 is 86757512535002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26242778 + ... + 26996118.

Almost surely, 2^{20053521575768} is an apocalyptic number.

It is an amenable number.

20053521575768 is a deficient number, since it is larger than the sum of its proper divisors (19121769108232).

20053521575768 is a wasteful number, since it uses less digits than its factorization.

20053521575768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754196 (or 754192 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 56.

The spelling of 20053521575768 in words is "twenty trillion, fifty-three billion, five hundred twenty-one million, five hundred seventy-five thousand, seven hundred sixty-eight".