20055160725720 has 32 divisors (see below), whose sum is σ = 60165482177520. Its totient is φ = 5348042860160.

The previous prime is 20055160725707. The next prime is 20055160725731. The reversal of 20055160725720 is 2752706155002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83563169571 + ... + 83563169810.

Almost surely, 2^{20055160725720} is an apocalyptic number.

20055160725720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20055160725720 is an abundant number, since it is smaller than the sum of its proper divisors (40110321451800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20055160725720 is a wasteful number, since it uses less digits than its factorization.

20055160725720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167126339395 (or 167126339391 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 20055160725720 in words is "twenty trillion, fifty-five billion, one hundred sixty million, seven hundred twenty-five thousand, seven hundred twenty".