2102230240 has 48 divisors (see below), whose sum is σ = 5418025200. Its totient is φ = 764446720.

The previous prime is 2102230223. The next prime is 2102230253. The reversal of 2102230240 is 420322012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595465 + ... + 598984.

It is an arithmetic number, because the mean of its divisors is an integer number (112875525).

Almost surely, 2^2102230240 is an apocalyptic number.

2102230240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102230240 is an abundant number, since it is smaller than the sum of its proper divisors (3315794960).

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

2102230240 is a wasteful number, since it uses less digits than its factorization.

2102230240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194475 (or 1194467 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2102230240 is about 45850.0844055930. The cubic root of 2102230240 is about 1281.0323377544.

Adding to 2102230240 its reverse (420322012), we get a palindrome (2522552252).

The spelling of 2102230240 in words is "two billion, one hundred two million, two hundred thirty thousand, two hundred forty".