20580681861700 has 36 divisors (see below), whose sum is σ = 45417030155280. Its totient is φ = 8092742695840.

The previous prime is 20580681861697. The next prime is 20580681861709. The reversal of 20580681861700 is 716818608502.

It is a super-3 number, since 3×20580681861700³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20580681861709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1744119682 + ... + 1744131481.

It is an arithmetic number, because the mean of its divisors is an integer number (1261584170980).

Almost surely, 2^{20580681861700} is an apocalyptic number.

20580681861700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20580681861700 is an abundant number, since it is smaller than the sum of its proper divisors (24836348293580).

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

20580681861700 is a wasteful number, since it uses less digits than its factorization.

20580681861700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488251236 (or 3488251229 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 20580681861700 in words is "twenty trillion, five hundred eighty billion, six hundred eighty-one million, eight hundred sixty-one thousand, seven hundred".