1073105220 has 96 divisors (see below), whose sum is σ = 3292047360. Its totient is φ = 259020160.

The previous prime is 1073105219. The next prime is 1073105239. The reversal of 1073105220 is 225013701.

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 31 ways as a sum of consecutive naturals, for example, 154339 + ... + 161141.

It is an arithmetic number, because the mean of its divisors is an integer number (34292160).

Almost surely, 2^1073105220 is an apocalyptic number.

1073105220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1073105220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646023680).

1073105220 is an abundant number, since it is smaller than the sum of its proper divisors (2218942140).

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

1073105220 is a wasteful number, since it uses less digits than its factorization.

1073105220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7065 (or 7063 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1073105220 is about 32758.2847536314. The cubic root of 1073105220 is about 1023.7975890312.

Adding to 1073105220 its reverse (225013701), we get a palindrome (1298118921).

The spelling of 1073105220 in words is "one billion, seventy-three million, one hundred five thousand, two hundred twenty".