1982299208020 has 12 divisors (see below), whose sum is σ = 4162828336884. Its totient is φ = 792919683200.

The previous prime is 1982299208017. The next prime is 1982299208041. The reversal of 1982299208020 is 208029922891.

It can be written as a sum of positive squares in 2 ways, for example, as 1583701436304 + 398597771716 = 1258452^2 + 631346^2 .

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, 49557480181 + ... + 49557480220.

It is an arithmetic number, because the mean of its divisors is an integer number (346902361407).

Almost surely, 2^{1982299208020} is an apocalyptic number.

1982299208020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982299208020 is an abundant number, since it is smaller than the sum of its proper divisors (2180529128864).

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

1982299208020 is a wasteful number, since it uses less digits than its factorization.

1982299208020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99114960410 (or 99114960408 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 1982299208020 in words is "one trillion, nine hundred eighty-two billion, two hundred ninety-nine million, two hundred eight thousand, twenty".