1806060522020 has 24 divisors (see below), whose sum is σ = 3794962127544. Its totient is φ = 721998488576.

The previous prime is 1806060521981. The next prime is 1806060522037. The reversal of 1806060522020 is 202250606081.

It can be written as a sum of positive squares in 4 ways, for example, as 765583000576 + 1040477521444 = 874976^2 + 1020038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26572727 + ... + 26640606.

It is an arithmetic number, because the mean of its divisors is an integer number (158123421981).

Almost surely, 2^{1806060522020} is an apocalyptic number.

1806060522020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1806060522020 is an abundant number, since it is smaller than the sum of its proper divisors (1988901605524).

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

1806060522020 is a wasteful number, since it uses less digits than its factorization.

1806060522020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53215039 (or 53215037 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 1806060522020 in words is "one trillion, eight hundred six billion, sixty million, five hundred twenty-two thousand, twenty".