2013203202320 has 160 divisors (see below), whose sum is σ = 5234707814400. Its totient is φ = 716682774528.

The previous prime is 2013203202287. The next prime is 2013203202323. The reversal of 2013203202320 is 232023023102.

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 = 2013203202292 and 2013203202301.

It is not an unprimeable number, because it can be changed into a prime (2013203202323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1013777 + ... + 2248143.

It is an arithmetic number, because the mean of its divisors is an integer number (32716923840).

Almost surely, 2^{2013203202320} is an apocalyptic number.

2013203202320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013203202320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2617353907200).

2013203202320 is an abundant number, since it is smaller than the sum of its proper divisors (3221504612080).

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

2013203202320 is a wasteful number, since it uses less digits than its factorization.

2013203202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234465 (or 1234459 counting only the distinct ones).

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

Adding to 2013203202320 its reverse (232023023102), we get a palindrome (2245226225422).

The spelling of 2013203202320 in words is "two trillion, thirteen billion, two hundred three million, two hundred two thousand, three hundred twenty".