1320476636 has 6 divisors (see below), whose sum is σ = 2310834120. Its totient is φ = 660238316.

The previous prime is 1320476629. The next prime is 1320476659. The reversal of 1320476636 is 6366740231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320476636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165059576 + ... + 165059583.

It is an arithmetic number, because the mean of its divisors is an integer number (385139020).

Almost surely, 2^1320476636 is an apocalyptic number.

It is an amenable number.

1320476636 is a deficient number, since it is larger than the sum of its proper divisors (990357484).

1320476636 is a wasteful number, since it uses less digits than its factorization.

1320476636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330119163 (or 330119161 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 1320476636 is about 36338.3631442034. The cubic root of 1320476636 is about 1097.0933277421.

The spelling of 1320476636 in words is "one billion, three hundred twenty million, four hundred seventy-six thousand, six hundred thirty-six".