2103001320 has 512 divisors, whose sum is σ = 8410521600. Its totient is φ = 408748032.

The previous prime is 2103001309. The next prime is 2103001333. The reversal of 2103001320 is 231003012.

It is a happy number.

It is a super-2 number, since 2×2103001320² = 8845229103843484800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2103001296 and 2103001305.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6240192 + ... + 6240528.

It is an arithmetic number, because the mean of its divisors is an integer number (16426800).

Almost surely, 2^2103001320 is an apocalyptic number.

2103001320 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 2103001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4205260800).

2103001320 is an abundant number, since it is smaller than the sum of its proper divisors (6307520280).

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

2103001320 is a wasteful number, since it uses less digits than its factorization.

2103001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2103001320 is about 45858.4923432945. The cubic root of 2103001320 is about 1281.1889424959.

Adding to 2103001320 its reverse (231003012), we get a palindrome (2334004332).

The spelling of 2103001320 in words is "two billion, one hundred three million, one thousand, three hundred twenty".