2044420220 has 24 divisors (see below), whose sum is σ = 4334969184. Its totient is φ = 809827776.

The previous prime is 2044420207. The next prime is 2044420229. The reversal of 2044420220 is 220244402.

2044420220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 = 2044420192 and 2044420201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044420229) 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, 494159 + ... + 498278.

It is an arithmetic number, because the mean of its divisors is an integer number (180623716).

Almost surely, 2^2044420220 is an apocalyptic number.

2044420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044420220 is an abundant number, since it is smaller than the sum of its proper divisors (2290548964).

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

2044420220 is a wasteful number, since it uses less digits than its factorization.

2044420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992549 (or 992547 counting only the distinct ones).

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

The square root of 2044420220 is about 45215.2653425809. The cubic root of 2044420220 is about 1269.1804951328.

Adding to 2044420220 its reverse (220244402), we get a palindrome (2264664622).

The spelling of 2044420220 in words is "two billion, forty-four million, four hundred twenty thousand, two hundred twenty".