2104212340 has 24 divisors (see below), whose sum is σ = 4419717120. Its totient is φ = 841519008.

The previous prime is 2104212337. The next prime is 2104212343. The reversal of 2104212340 is 432124012.

It is an interprime number because it is at equal distance from previous prime (2104212337) and next prime (2104212343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104212343) 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, 170829 + ... + 182731.

It is an arithmetic number, because the mean of its divisors is an integer number (184154880).

Almost surely, 2^2104212340 is an apocalyptic number.

2104212340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104212340 is an abundant number, since it is smaller than the sum of its proper divisors (2315504780).

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

2104212340 is a wasteful number, since it uses less digits than its factorization.

2104212340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20751 (or 20749 counting only the distinct ones).

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

The square root of 2104212340 is about 45871.6943223160. The cubic root of 2104212340 is about 1281.4348208814.

Adding to 2104212340 its reverse (432124012), we get a palindrome (2536336352).

The spelling of 2104212340 in words is "two billion, one hundred four million, two hundred twelve thousand, three hundred forty".