20244022220 has 24 divisors (see below), whose sum is σ = 42950723424. Its totient is φ = 8014127616.

The previous prime is 20244022213. The next prime is 20244022247. The reversal of 20244022220 is 2222044202.

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 = 20244022192 and 20244022201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215592 + ... + 5219471.

It is an arithmetic number, because the mean of its divisors is an integer number (1789613476).

Almost surely, 2^20244022220 is an apocalyptic number.

20244022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244022220 is an abundant number, since it is smaller than the sum of its proper divisors (22706701204).

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

20244022220 is a wasteful number, since it uses less digits than its factorization.

20244022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10435169 (or 10435167 counting only the distinct ones).

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

Adding to 20244022220 its reverse (2222044202), we get a palindrome (22466066422).

The spelling of 20244022220 in words is "twenty billion, two hundred forty-four million, twenty-two thousand, two hundred twenty".