2040424220 has 48 divisors (see below), whose sum is σ = 4354566048. Its totient is φ = 803001600.

The previous prime is 2040424189. The next prime is 2040424223. The reversal of 2040424220 is 224240402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2040424192 and 2040424201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040424223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326162 + ... + 332358.

It is an arithmetic number, because the mean of its divisors is an integer number (90720126).

Almost surely, 2^2040424220 is an apocalyptic number.

2040424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040424220 is an abundant number, since it is smaller than the sum of its proper divisors (2314141828).

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

2040424220 is a wasteful number, since it uses less digits than its factorization.

2040424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470 (or 6468 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2040424220 is about 45171.0551127600. The cubic root of 2040424220 is about 1268.3530473104.

Adding to 2040424220 its reverse (224240402), we get a palindrome (2264664622).

The spelling of 2040424220 in words is "two billion, forty million, four hundred twenty-four thousand, two hundred twenty".