2020809139200 has 198 divisors, whose sum is σ = 7235453568434. Its totient is φ = 538882375680.

The previous prime is 2020809139163. The next prime is 2020809139207. The reversal of 2020809139200 is 29319080202.

It can be written as a sum of positive squares in 3 ways, for example, as 58478846976 + 1962330292224 = 241824^2 + 1400832^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020809139207) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4155037 + ... + 4615836.

Almost surely, 2^{2020809139200} is an apocalyptic number.

2020809139200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020809139200 is an abundant number, since it is smaller than the sum of its proper divisors (5214644429234).

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

2020809139200 is a wasteful number, since it uses less digits than its factorization.

2020809139200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8770909 (or 8770883 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 2020809139200 in words is "two trillion, twenty billion, eight hundred nine million, one hundred thirty-nine thousand, two hundred".