2168276389020 has 72 divisors (see below), whose sum is σ = 7516691486304. Its totient is φ = 495606031488.

The previous prime is 2168276389007. The next prime is 2168276389043. The reversal of 2168276389020 is 209836728612.

2168276389020 is a `hidden beast` number, since 216 + 8 + 27 + 6 + 389 + 0 + 20 = 666.

It is a super-2 number, since 2×2168276389020² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 860425879 + ... + 860428398.

Almost surely, 2^{2168276389020} is an apocalyptic number.

2168276389020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2168276389020 is an abundant number, since it is smaller than the sum of its proper divisors (5348415097284).

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

2168276389020 is a wasteful number, since it uses less digits than its factorization.

2168276389020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720854299 (or 1720854294 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 2168276389020 in words is "two trillion, one hundred sixty-eight billion, two hundred seventy-six million, three hundred eighty-nine thousand, twenty".