1320427364 has 12 divisors (see below), whose sum is σ = 2311002288. Its totient is φ = 660141000.

The previous prime is 1320427351. The next prime is 1320427373. The reversal of 1320427364 is 4637240231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320427364.

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, 62339 + ... + 80789.

It is an arithmetic number, because the mean of its divisors is an integer number (192583524).

Almost surely, 2^1320427364 is an apocalyptic number.

It is an amenable number.

1320427364 is a deficient number, since it is larger than the sum of its proper divisors (990574924).

1320427364 is a wasteful number, since it uses less digits than its factorization.

1320427364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36346 (or 36344 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 1320427364 is about 36337.6851766868. The cubic root of 1320427364 is about 1097.0796819990.

Adding to 1320427364 its reverse (4637240231), we get a palindrome (5957667595).

The spelling of 1320427364 in words is "one billion, three hundred twenty million, four hundred twenty-seven thousand, three hundred sixty-four".