2320021340 has 48 divisors (see below), whose sum is σ = 5996367552. Its totient is φ = 734247936.

The previous prime is 2320021321. The next prime is 2320021387. The reversal of 2320021340 is 431200232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635549 + ... + 639188.

It is an arithmetic number, because the mean of its divisors is an integer number (124924324).

Almost surely, 2^2320021340 is an apocalyptic number.

2320021340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320021340 is an abundant number, since it is smaller than the sum of its proper divisors (3676346212).

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

2320021340 is a wasteful number, since it uses less digits than its factorization.

2320021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274766 (or 1274764 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2320021340 is about 48166.5998384773. The cubic root of 2320021340 is about 1323.8252485503.

Adding to 2320021340 its reverse (431200232), we get a palindrome (2751221572).

The spelling of 2320021340 in words is "two billion, three hundred twenty million, twenty-one thousand, three hundred forty".