2043220140 has 360 divisors, whose sum is σ = 7365647520. Its totient is φ = 472283136.

The previous prime is 2043220099. The next prime is 2043220181. The reversal of 2043220140 is 410223402.

2043220140 is a `hidden beast` number, since 204 + 322 + 0 + 140 = 666.

It is an interprime number because it is at equal distance from previous prime (2043220099) and next prime (2043220181).

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4654041 + ... + 4654479.

It is an arithmetic number, because the mean of its divisors is an integer number (20460132).

Almost surely, 2^2043220140 is an apocalyptic number.

2043220140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043220140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3682823760).

2043220140 is an abundant number, since it is smaller than the sum of its proper divisors (5322427380).

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

2043220140 is a wasteful number, since it uses less digits than its factorization.

2043220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2043220140 is about 45201.9926551917. The cubic root of 2043220140 is about 1268.9321091054.

Adding to 2043220140 its reverse (410223402), we get a palindrome (2453443542).

The spelling of 2043220140 in words is "two billion, forty-three million, two hundred twenty thousand, one hundred forty".