1102443320 has 64 divisors (see below), whose sum is σ = 2751926400. Its totient is φ = 394084480.

The previous prime is 1102443313. The next prime is 1102443361. The reversal of 1102443320 is 233442011.

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 = 1102443292 and 1102443301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4727 + ... + 47193.

It is an arithmetic number, because the mean of its divisors is an integer number (42998850).

Almost surely, 2^1102443320 is an apocalyptic number.

1102443320 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 1102443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375963200).

1102443320 is an abundant number, since it is smaller than the sum of its proper divisors (1649483080).

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

1102443320 is a wasteful number, since it uses less digits than its factorization.

1102443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42548 (or 42544 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1102443320 is about 33203.0619069989. The cubic root of 1102443320 is about 1033.0438504633.

Adding to 1102443320 its reverse (233442011), we get a palindrome (1335885331).

The spelling of 1102443320 in words is "one billion, one hundred two million, four hundred forty-three thousand, three hundred twenty".