20686447262024 has 48 divisors (see below), whose sum is σ = 40487000985600. Its totient is φ = 9907926001344.

The previous prime is 20686447262017. The next prime is 20686447262071. The reversal of 20686447262024 is 42026274468602.

It is a super-2 number, since 2×20686447262024² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11250584 + ... + 12959495.

It is an arithmetic number, because the mean of its divisors is an integer number (843479187200).

Almost surely, 2^{20686447262024} is an apocalyptic number.

It is an amenable number.

20686447262024 is a deficient number, since it is larger than the sum of its proper divisors (19800553723576).

20686447262024 is a wasteful number, since it uses less digits than its factorization.

20686447262024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24210270 (or 24210237 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 53.

The spelling of 20686447262024 in words is "twenty trillion, six hundred eighty-six billion, four hundred forty-seven million, two hundred sixty-two thousand, twenty-four".