1806741000020 has 48 divisors (see below), whose sum is σ = 4356925675200. Its totient is φ = 622417950720.

The previous prime is 1806741000011. The next prime is 1806741000023. The reversal of 1806741000020 is 200001476081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806741000023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216113165 + ... + 216121524.

It is an arithmetic number, because the mean of its divisors is an integer number (90769284900).

Almost surely, 2^{1806741000020} is an apocalyptic number.

1806741000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1806741000020 is an abundant number, since it is smaller than the sum of its proper divisors (2550184675180).

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

1806741000020 is a wasteful number, since it uses less digits than its factorization.

1806741000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432234728 (or 432234726 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 1806741000020 in words is "one trillion, eight hundred six billion, seven hundred forty-one million, twenty", and thus it is an aban number.