2120330140 has 24 divisors (see below), whose sum is σ = 4573037952. Its totient is φ = 825209280.

The previous prime is 2120330131. The next prime is 2120330143. The reversal of 2120330140 is 410330212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120330143) 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, 1431916 + ... + 1433395.

It is an arithmetic number, because the mean of its divisors is an integer number (190543248).

Almost surely, 2^2120330140 is an apocalyptic number.

2120330140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120330140 is an abundant number, since it is smaller than the sum of its proper divisors (2452707812).

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

2120330140 is a wasteful number, since it uses less digits than its factorization.

2120330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865357 (or 2865355 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120330140 is about 46047.0426846285. The cubic root of 2120330140 is about 1284.6983379456.

Adding to 2120330140 its reverse (410330212), we get a palindrome (2530660352).

The spelling of 2120330140 in words is "two billion, one hundred twenty million, three hundred thirty thousand, one hundred forty".