1320042224 has 20 divisors (see below), whose sum is σ = 2593606320. Its totient is φ = 650724480.

The previous prime is 1320042203. The next prime is 1320042239. The reversal of 1320042224 is 4222400231.

It is a super-2 number, since 2×1320042224² = 3485022946285732352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320042196 and 1320042205.

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, 579869 + ... + 582140.

It is an arithmetic number, because the mean of its divisors is an integer number (129680316).

Almost surely, 2^1320042224 is an apocalyptic number.

It is an amenable number.

1320042224 is a deficient number, since it is larger than the sum of its proper divisors (1273564096).

1320042224 is a wasteful number, since it uses less digits than its factorization.

1320042224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162088 (or 1162082 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1320042224 is about 36332.3853331983. The cubic root of 1320042224 is about 1096.9730068503.

Adding to 1320042224 its reverse (4222400231), we get a palindrome (5542442455).

The spelling of 1320042224 in words is "one billion, three hundred twenty million, forty-two thousand, two hundred twenty-four".