1103342420 has 12 divisors (see below), whose sum is σ = 2317019124. Its totient is φ = 441336960.

The previous prime is 1103342411. The next prime is 1103342459. The reversal of 1103342420 is 242433011.

It can be written as a sum of positive squares in 2 ways, for example, as 560079556 + 543262864 = 23666^2 + 23308^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 55167121 = 1103342420 / (1 + 1 + 0 + 3 + 3 + 4 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1103342392 and 1103342401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27583541 + ... + 27583580.

It is an arithmetic number, because the mean of its divisors is an integer number (193084927).

Almost surely, 2^1103342420 is an apocalyptic number.

1103342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103342420 is an abundant number, since it is smaller than the sum of its proper divisors (1213676704).

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

1103342420 is a wasteful number, since it uses less digits than its factorization.

1103342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55167130 (or 55167128 counting only the distinct ones).

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

The square root of 1103342420 is about 33216.5985615626. The cubic root of 1103342420 is about 1033.3246078579.

Adding to 1103342420 its reverse (242433011), we get a palindrome (1345775431).

The spelling of 1103342420 in words is "one billion, one hundred three million, three hundred forty-two thousand, four hundred twenty".