20292887275980 has 96 divisors (see below), whose sum is σ = 62003715072768. Its totient is φ = 4918045881600.

The previous prime is 20292887275909. The next prime is 20292887275981. The reversal of 20292887275980 is 8957278829202.

It is not an unprimeable number, because it can be changed into a prime (20292887275981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2251786 + ... + 6756945.

It is an arithmetic number, because the mean of its divisors is an integer number (645872032008).

Almost surely, 2^{20292887275980} is an apocalyptic number.

20292887275980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20292887275980 is an abundant number, since it is smaller than the sum of its proper divisors (41710827796788).

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

20292887275980 is a wasteful number, since it uses less digits than its factorization.

20292887275980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012167 (or 9012165 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 20292887275980 in words is "twenty trillion, two hundred ninety-two billion, eight hundred eighty-seven million, two hundred seventy-five thousand, nine hundred eighty".