1030112220 has 24 divisors (see below), whose sum is σ = 2884314384. Its totient is φ = 274696576.

The previous prime is 1030112191. The next prime is 1030112221. The reversal of 1030112220 is 222110301.

It is a super-2 number, since 2×1030112220² = 2122262371586656800, which contains 22 as substring.

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 = 1030112196 and 1030112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030112221) by changing a digit.

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, 8584209 + ... + 8584328.

It is an arithmetic number, because the mean of its divisors is an integer number (120179766).

Almost surely, 2^1030112220 is an apocalyptic number.

1030112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030112220 is an abundant number, since it is smaller than the sum of its proper divisors (1854202164).

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

1030112220 is a wasteful number, since it uses less digits than its factorization.

1030112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17168549 (or 17168547 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1030112220 is about 32095.3613470857. The cubic root of 1030112220 is about 1009.9383094693.

Adding to 1030112220 its reverse (222110301), we get a palindrome (1252222521).

The spelling of 1030112220 in words is "one billion, thirty million, one hundred twelve thousand, two hundred twenty".