1320922632 has 64 divisors (see below), whose sum is σ = 3336278400. Its totient is φ = 435801600.

The previous prime is 1320922601. The next prime is 1320922703. The reversal of 1320922632 is 2362290231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320922632.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409268 + ... + 1410204.

It is an arithmetic number, because the mean of its divisors is an integer number (52129350).

Almost surely, 2^1320922632 is an apocalyptic number.

1320922632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320922632 is an abundant number, since it is smaller than the sum of its proper divisors (2015355768).

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

1320922632 is a wasteful number, since it uses less digits than its factorization.

1320922632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1320922632 is about 36344.4993362132. The cubic root of 1320922632 is about 1097.2168296517.

The spelling of 1320922632 in words is "one billion, three hundred twenty million, nine hundred twenty-two thousand, six hundred thirty-two".