20118303920020 has 12 divisors (see below), whose sum is σ = 42248438232084. Its totient is φ = 8047321568000.

The previous prime is 20118303919991. The next prime is 20118303920059. The reversal of 20118303920020 is 2002930381102.

It can be written as a sum of positive squares in 2 ways, for example, as 3672634953744 + 16445668966276 = 1916412^2 + 4055326^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502957597981 + ... + 502957598020.

It is an arithmetic number, because the mean of its divisors is an integer number (3520703186007).

Almost surely, 2^{20118303920020} is an apocalyptic number.

20118303920020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20118303920020 is an abundant number, since it is smaller than the sum of its proper divisors (22130134312064).

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

20118303920020 is a wasteful number, since it uses less digits than its factorization.

20118303920020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005915196010 (or 1005915196008 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20118303920020 in words is "twenty trillion, one hundred eighteen billion, three hundred three million, nine hundred twenty thousand, twenty".