1320011022 has 48 divisors (see below), whose sum is σ = 2906373456. Its totient is φ = 399379200.

The previous prime is 1320011003. The next prime is 1320011083. The reversal of 1320011022 is 2201100231.

1320011022 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1320010989 and 1320011007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708372 + ... + 710232.

It is an arithmetic number, because the mean of its divisors is an integer number (60549447).

Almost surely, 2^1320011022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320011022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453186728).

1320011022 is an abundant number, since it is smaller than the sum of its proper divisors (1586362434).

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

1320011022 is a wasteful number, since it uses less digits than its factorization.

1320011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865 (or 2854 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1320011022 is about 36331.9559341360. The cubic root of 1320011022 is about 1096.9643636870.

Adding to 1320011022 its reverse (2201100231), we get a palindrome (3521111253).

The spelling of 1320011022 in words is "one billion, three hundred twenty million, eleven thousand, twenty-two".