20127720061330 has 48 divisors (see below), whose sum is σ = 43284034774296. Its totient is φ = 6714420894720.

The previous prime is 20127720061301. The next prime is 20127720061447. The reversal of 20127720061330 is 3316002772102.

It can be written as a sum of positive squares in 4 ways, for example, as 20126950498249 + 769563081 = 4486307^2 + 27741^2 .

It is a super-2 number, since 2×20127720061330² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555076191 + ... + 555112450.

Almost surely, 2^{20127720061330} is an apocalyptic number.

20127720061330 is an abundant number, since it is smaller than the sum of its proper divisors (23156314712966).

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

20127720061330 is a wasteful number, since it uses less digits than its factorization.

20127720061330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110188699 (or 1110188692 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 20127720061330 in words is "twenty trillion, one hundred twenty-seven billion, seven hundred twenty million, sixty-one thousand, three hundred thirty".