2040042220 has 24 divisors (see below), whose sum is σ = 4285142064. Its totient is φ = 815816256.

The previous prime is 2040042209. The next prime is 2040042227. The reversal of 2040042220 is 222400402.

It is a junction number, because it is equal to n+sod(n) for n = 2040042194 and 2040042203.

It is not an unprimeable number, because it can be changed into a prime (2040042227) 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, 92154 + ... + 112126.

It is an arithmetic number, because the mean of its divisors is an integer number (178547586).

Almost surely, 2^2040042220 is an apocalyptic number.

2040042220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040042220 is an abundant number, since it is smaller than the sum of its proper divisors (2245099844).

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

2040042220 is a wasteful number, since it uses less digits than its factorization.

2040042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25089 (or 25087 counting only the distinct ones).

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

The square root of 2040042220 is about 45166.8265433825. The cubic root of 2040042220 is about 1268.2738903883.

Adding to 2040042220 its reverse (222400402), we get a palindrome (2262442622).

The spelling of 2040042220 in words is "two billion, forty million, forty-two thousand, two hundred twenty".