1320220002 has 16 divisors (see below), whose sum is σ = 2725615872. Its totient is φ = 425877360.

The previous prime is 1320220001. The next prime is 1320220009. The reversal of 1320220002 is 2000220231.

1320220002 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1320220002.

It is not an unprimeable number, because it can be changed into a prime (1320220001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3548793 + ... + 3549164.

It is an arithmetic number, because the mean of its divisors is an integer number (170350992).

Almost surely, 2^1320220002 is an apocalyptic number.

1320220002 is an abundant number, since it is smaller than the sum of its proper divisors (1405395870).

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

1320220002 is a wasteful number, since it uses less digits than its factorization.

1320220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097993.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1320220002 is about 36334.8318009042. The cubic root of 1320220002 is about 1097.0222499501.

Adding to 1320220002 its reverse (2000220231), we get a palindrome (3320440233).

The spelling of 1320220002 in words is "one billion, three hundred twenty million, two hundred twenty thousand, two".