2102144320 has 56 divisors (see below), whose sum is σ = 5066105184. Its totient is φ = 830716416.

The previous prime is 2102144269. The next prime is 2102144321. The reversal of 2102144320 is 234412012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102144321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13014 + ... + 66133.

It is an arithmetic number, because the mean of its divisors is an integer number (90466164).

Almost surely, 2^2102144320 is an apocalyptic number.

2102144320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102144320 is an abundant number, since it is smaller than the sum of its proper divisors (2963960864).

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

2102144320 is an equidigital number, since it uses as much as digits as its factorization.

2102144320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79247 (or 79237 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2102144320 is about 45849.1474293688. The cubic root of 2102144320 is about 1281.0148852103.

Adding to 2102144320 its reverse (234412012), we get a palindrome (2336556332).

It can be divided in two parts, 21021 and 44320, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 2102144320 in words is "two billion, one hundred two million, one hundred forty-four thousand, three hundred twenty".