1320583228 has 24 divisors (see below), whose sum is σ = 2342761344. Its totient is φ = 651284400.

The previous prime is 1320583223. The next prime is 1320583247. The reversal of 1320583228 is 8223850231.

It is a junction number, because it is equal to n+sod(n) for n = 1320583193 and 1320583202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320583223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79963 + ... + 95053.

It is an arithmetic number, because the mean of its divisors is an integer number (97615056).

Almost surely, 2^1320583228 is an apocalyptic number.

It is an amenable number.

1320583228 is a deficient number, since it is larger than the sum of its proper divisors (1022178116).

1320583228 is a wasteful number, since it uses less digits than its factorization.

1320583228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15393 (or 15391 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1320583228 is about 36339.8297739546. The cubic root of 1320583228 is about 1097.1228469380.

The spelling of 1320583228 in words is "one billion, three hundred twenty million, five hundred eighty-three thousand, two hundred twenty-eight".