2044240220 has 24 divisors (see below), whose sum is σ = 4683169008. Its totient is φ = 743360000.

The previous prime is 2044240181. The next prime is 2044240291. The reversal of 2044240220 is 220424402.

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

It is a junction number, because it is equal to n+sod(n) for n = 2044240192 and 2044240201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4645781 + ... + 4646220.

It is an arithmetic number, because the mean of its divisors is an integer number (195132042).

Almost surely, 2^2044240220 is an apocalyptic number.

2044240220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044240220 is an abundant number, since it is smaller than the sum of its proper divisors (2638928788).

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

2044240220 is a wasteful number, since it uses less digits than its factorization.

2044240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292021 (or 9292019 counting only the distinct ones).

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

The square root of 2044240220 is about 45213.2748205657. The cubic root of 2044240220 is about 1269.1432459098.

Adding to 2044240220 its reverse (220424402), we get a palindrome (2264664622).

It can be divided in two parts, 204 and 4240220, that added together give a palindrome (4240424).

The spelling of 2044240220 in words is "two billion, forty-four million, two hundred forty thousand, two hundred twenty".