2204240020 has 12 divisors (see below), whose sum is σ = 4628904084. Its totient is φ = 881696000.

The previous prime is 2204239997. The next prime is 2204240023. The reversal of 2204240020 is 200424022.

It can be written as a sum of positive squares in 2 ways, for example, as 809516304 + 1394723716 = 28452^2 + 37346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2204239976 and 2204240003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204240023) 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, 55105981 + ... + 55106020.

It is an arithmetic number, because the mean of its divisors is an integer number (385742007).

Almost surely, 2^2204240020 is an apocalyptic number.

2204240020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204240020 is an abundant number, since it is smaller than the sum of its proper divisors (2424664064).

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

2204240020 is a wasteful number, since it uses less digits than its factorization.

2204240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110212010 (or 110212008 counting only the distinct ones).

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

The square root of 2204240020 is about 46949.3346065735. The cubic root of 2204240020 is about 1301.4264460708.

Adding to 2204240020 its reverse (200424022), we get a palindrome (2404664042).

The spelling of 2204240020 in words is "two billion, two hundred four million, two hundred forty thousand, twenty".