2020321332520 has 16 divisors (see below), whose sum is σ = 4545722998260. Its totient is φ = 808128532992.

The previous prime is 2020321332517. The next prime is 2020321332521. The reversal of 2020321332520 is 252331230202.

It can be written as a sum of positive squares in 2 ways, for example, as 2004959713156 + 15361619364 = 1415966^2 + 123942^2 .

It is not an unprimeable number, because it can be changed into a prime (2020321332521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25254016617 + ... + 25254016696.

Almost surely, 2^{2020321332520} is an apocalyptic number.

2020321332520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020321332520 is an abundant number, since it is smaller than the sum of its proper divisors (2525401665740).

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

2020321332520 is a wasteful number, since it uses less digits than its factorization.

2020321332520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50508033324 (or 50508033320 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 2020321332520 its reverse (252331230202), we get a palindrome (2272652562722).

The spelling of 2020321332520 in words is "two trillion, twenty billion, three hundred twenty-one million, three hundred thirty-two thousand, five hundred twenty".