3321320020020 has 144 divisors (see below), whose sum is σ = 10094393312640. Its totient is φ = 883953278208.

The previous prime is 3321320020001. The next prime is 3321320020021. The reversal of 3321320020020 is 200200231233.

It is a happy number.

3321320020020 is a `hidden beast` number, since 3 + 321 + 320 + 0 + 2 + 0 + 0 + 20 = 666.

It is a super-2 number, since 2×3321320020020² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3321320019975 and 3321320020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321320020021) 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 47 ways as a sum of consecutive naturals, for example, 200469777 + ... + 200486343.

It is an arithmetic number, because the mean of its divisors is an integer number (70099953560).

Almost surely, 2^{3321320020020} is an apocalyptic number.

3321320020020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3321320020020 is an abundant number, since it is smaller than the sum of its proper divisors (6773073292620).

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

3321320020020 is a wasteful number, since it uses less digits than its factorization.

3321320020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18694 (or 18689 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 3321320020020 its reverse (200200231233), we get a palindrome (3521520251253).

The spelling of 3321320020020 in words is "three trillion, three hundred twenty-one billion, three hundred twenty million, twenty thousand, twenty".