2042040220 has 96 divisors (see below), whose sum is σ = 4888900800. Its totient is φ = 709632000.

The previous prime is 2042040197. The next prime is 2042040241. The reversal of 2042040220 is 220402402.

It is a junction number, because it is equal to n+sod(n) for n = 2042040194 and 2042040203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642796 + ... + 645964.

It is an arithmetic number, because the mean of its divisors is an integer number (50926050).

Almost surely, 2^2042040220 is an apocalyptic number.

2042040220 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 2042040220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2444450400).

2042040220 is an abundant number, since it is smaller than the sum of its proper divisors (2846860580).

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

2042040220 is a wasteful number, since it uses less digits than its factorization.

2042040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319 (or 3317 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2042040220 is about 45188.9391333764. The cubic root of 2042040220 is about 1268.6878008448.

Adding to 2042040220 its reverse (220402402), we get a palindrome (2262442622).

The spelling of 2042040220 in words is "two billion, forty-two million, forty thousand, two hundred twenty".