2013321010020 has 24 divisors (see below), whose sum is σ = 5637298828224. Its totient is φ = 536885602656.

The previous prime is 2013321009983. The next prime is 2013321010073. The reversal of 2013321010020 is 200101233102.

It is a super-2 number, since 2×2013321010020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 7 ways as a sum of consecutive naturals, for example, 16777675024 + ... + 16777675143.

It is an arithmetic number, because the mean of its divisors is an integer number (234887451176).

Almost surely, 2^{2013321010020} is an apocalyptic number.

2013321010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013321010020 is an abundant number, since it is smaller than the sum of its proper divisors (3623977818204).

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

2013321010020 is a wasteful number, since it uses less digits than its factorization.

2013321010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33555350179 (or 33555350177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2013321010020 its reverse (200101233102), we get a palindrome (2213422243122).

The spelling of 2013321010020 in words is "two trillion, thirteen billion, three hundred twenty-one million, ten thousand, twenty".