2240204020 has 12 divisors (see below), whose sum is σ = 4704428484. Its totient is φ = 896081600.

The previous prime is 2240204009. The next prime is 2240204023. The reversal of 2240204020 is 204020422.

It can be written as a sum of positive squares in 2 ways, for example, as 1653886224 + 586317796 = 40668^2 + 24214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2240203985 and 2240204003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240204023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56005081 + ... + 56005120.

It is an arithmetic number, because the mean of its divisors is an integer number (392035707).

Almost surely, 2^2240204020 is an apocalyptic number.

2240204020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240204020 is an abundant number, since it is smaller than the sum of its proper divisors (2464224464).

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

2240204020 is a wasteful number, since it uses less digits than its factorization.

2240204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112010210 (or 112010208 counting only the distinct ones).

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

The square root of 2240204020 is about 47330.7935703597. The cubic root of 2240204020 is about 1308.4662468545.

Adding to 2240204020 its reverse (204020422), we get a palindrome (2444224442).

The spelling of 2240204020 in words is "two billion, two hundred forty million, two hundred four thousand, twenty".