1320386022 has 80 divisors (see below), whose sum is σ = 3168467280. Its totient is φ = 409508352.

The previous prime is 1320386003. The next prime is 1320386059. The reversal of 1320386022 is 2206830231.

1320386022 is a `hidden beast` number, since 1 + 3 + 20 + 38 + 602 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 242413 + ... + 247799.

It is an arithmetic number, because the mean of its divisors is an integer number (39605841).

Almost surely, 2^1320386022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320386022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584233640).

1320386022 is an abundant number, since it is smaller than the sum of its proper divisors (1848081258).

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

1320386022 is a wasteful number, since it uses less digits than its factorization.

1320386022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1320386022 is about 36337.1163137638. The cubic root of 1320386022 is about 1097.0682321854.

It can be divided in two parts, 13203 and 86022, that added together give a square (99225 = 315²).

The spelling of 1320386022 in words is "one billion, three hundred twenty million, three hundred eighty-six thousand, twenty-two".