20020320332120 has 16 divisors (see below), whose sum is σ = 45045720747360. Its totient is φ = 8008128132832.

The previous prime is 20020320332107. The next prime is 20020320332213. The reversal of 20020320332120 is 2123302302002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20020320332092 and 20020320332101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250254004112 + ... + 250254004191.

It is an arithmetic number, because the mean of its divisors is an integer number (2815357546710).

Almost surely, 2^{20020320332120} is an apocalyptic number.

20020320332120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020320332120 is an abundant number, since it is smaller than the sum of its proper divisors (25025400415240).

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

20020320332120 is a wasteful number, since it uses less digits than its factorization.

20020320332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500508008314 (or 500508008310 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20020320332120 its reverse (2123302302002), we get a palindrome (22143622634122).

The spelling of 20020320332120 in words is "twenty trillion, twenty billion, three hundred twenty million, three hundred thirty-two thousand, one hundred twenty".