20085556248832 has 18 divisors (see below), whose sum is σ = 40092653294078. Its totient is φ = 10042778124288.

The previous prime is 20085556248761. The next prime is 20085556248871. The reversal of 20085556248832 is 23884265558002.

It can be written as a sum of positive squares in only one way, i.e., 14868242436096 + 5217313812736 = 3855936^2 + 2284144^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39229601793 + ... + 39229602304.

Almost surely, 2^{20085556248832} is an apocalyptic number.

It is an amenable number.

20085556248832 is a deficient number, since it is larger than the sum of its proper divisors (20007097045246).

20085556248832 is an frugal number, since it uses more digits than its factorization.

20085556248832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78459204113 (or 78459204099 counting only the distinct ones).

The product of its (nonzero) digits is 36864000, while the sum is 58.

The spelling of 20085556248832 in words is "twenty trillion, eighty-five billion, five hundred fifty-six million, two hundred forty-eight thousand, eight hundred thirty-two".