1102353220 has 24 divisors (see below), whose sum is σ = 2394768600. Its totient is φ = 425736192.

The previous prime is 1102353209. The next prime is 1102353251. The reversal of 1102353220 is 223532011.

It can be written as a sum of positive squares in 4 ways, for example, as 381108484 + 721244736 = 19522^2 + 26856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949725 + ... + 950884.

It is an arithmetic number, because the mean of its divisors is an integer number (99782025).

Almost surely, 2^1102353220 is an apocalyptic number.

1102353220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102353220 is an abundant number, since it is smaller than the sum of its proper divisors (1292415380).

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

1102353220 is a wasteful number, since it uses less digits than its factorization.

1102353220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900647 (or 1900645 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1102353220 is about 33201.7050766975. The cubic root of 1102353220 is about 1033.0157069796.

Adding to 1102353220 its reverse (223532011), we get a palindrome (1325885231).

The spelling of 1102353220 in words is "one billion, one hundred two million, three hundred fifty-three thousand, two hundred twenty".