1103023220 has 24 divisors (see below), whose sum is σ = 2494530024. Its totient is φ = 407270016.

The previous prime is 1103023217. The next prime is 1103023247. The reversal of 1103023220 is 223203011.

It is a happy number.

1103023220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 246992656 + 856030564 = 15716^2 + 29258^2 .

It is a super-3 number, since 3×1103023220³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103023195 and 1103023204.

It is a congruent number.

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, 2120939 + ... + 2121458.

It is an arithmetic number, because the mean of its divisors is an integer number (103938751).

Almost surely, 2^1103023220 is an apocalyptic number.

1103023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103023220 is an abundant number, since it is smaller than the sum of its proper divisors (1391506804).

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

1103023220 is a wasteful number, since it uses less digits than its factorization.

1103023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242419 (or 4242417 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1103023220 is about 33211.7933872894. The cubic root of 1103023220 is about 1033.2249503621.

Adding to 1103023220 its reverse (223203011), we get a palindrome (1326226231).

The spelling of 1103023220 in words is "one billion, one hundred three million, twenty-three thousand, two hundred twenty".