1093289220 has 36 divisors (see below), whose sum is σ = 3316311180. Its totient is φ = 291543744.

The previous prime is 1093289201. The next prime is 1093289257. The reversal of 1093289220 is 229823901.

1093289220 is a `hidden beast` number, since 109 + 328 + 9 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 301091904 + 792197316 = 17352^2 + 28146^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3036735 + ... + 3037094.

It is an arithmetic number, because the mean of its divisors is an integer number (92119755).

Almost surely, 2^1093289220 is an apocalyptic number.

1093289220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1093289220 is an abundant number, since it is smaller than the sum of its proper divisors (2223021960).

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

1093289220 is a wasteful number, since it uses less digits than its factorization.

1093289220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073844 (or 6073839 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1093289220 is about 33064.9243156551. The cubic root of 1093289220 is about 1030.1766184701.

The spelling of 1093289220 in words is "one billion, ninety-three million, two hundred eighty-nine thousand, two hundred twenty".