20353018168412 has 12 divisors (see below), whose sum is σ = 37492401889320. Its totient is φ = 9640903342896.

The previous prime is 20353018168381. The next prime is 20353018168459. The reversal of 20353018168412 is 21486181035302.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 133901435243 + ... + 133901435394.

It is an arithmetic number, because the mean of its divisors is an integer number (3124366824110).

Almost surely, 2^{20353018168412} is an apocalyptic number.

It is an amenable number.

20353018168412 is a deficient number, since it is larger than the sum of its proper divisors (17139383720908).

20353018168412 is a wasteful number, since it uses less digits than its factorization.

20353018168412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267802870660 (or 267802870658 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 20353018168412 in words is "twenty trillion, three hundred fifty-three billion, eighteen million, one hundred sixty-eight thousand, four hundred twelve".