1120222020 has 24 divisors (see below), whose sum is σ = 3136621824. Its totient is φ = 298725856.

The previous prime is 1120222009. The next prime is 1120222043. The reversal of 1120222020 is 202220211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1120221987 and 1120222005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9335124 + ... + 9335243.

It is an arithmetic number, because the mean of its divisors is an integer number (130692576).

Almost surely, 2^1120222020 is an apocalyptic number.

1120222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120222020 is an abundant number, since it is smaller than the sum of its proper divisors (2016399804).

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

1120222020 is a wasteful number, since it uses less digits than its factorization.

1120222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18670379 (or 18670377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1120222020 is about 33469.7179551905. The cubic root of 1120222020 is about 1038.5674371186.

Adding to 1120222020 its reverse (202220211), we get a palindrome (1322442231).

It can be divided in two parts, 1 and 120222020, that added together give a palindrome (120222021).

The spelling of 1120222020 in words is "one billion, one hundred twenty million, two hundred twenty-two thousand, twenty".