2140422120 has 96 divisors (see below), whose sum is σ = 6962103720. Its totient is φ = 570309120.

The previous prime is 2140422083. The next prime is 2140422127. The reversal of 2140422120 is 212240412.

2140422120 is a `hidden beast` number, since 21 + 404 + 221 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1258688484 + 881733636 = 35478^2 + 29694^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2140422093 and 2140422102.

It is not an unprimeable number, because it can be changed into a prime (2140422127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 798222 + ... + 800898.

Almost surely, 2^2140422120 is an apocalyptic number.

2140422120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140422120 is an abundant number, since it is smaller than the sum of its proper divisors (4821681600).

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

2140422120 is a wasteful number, since it uses less digits than its factorization.

2140422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915 (or 4908 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2140422120 is about 46264.6962596752. The cubic root of 2140422120 is about 1288.7434672876.

Adding to 2140422120 its reverse (212240412), we get a palindrome (2352662532).

The spelling of 2140422120 in words is "two billion, one hundred forty million, four hundred twenty-two thousand, one hundred twenty".