1322020002 has 8 divisors (see below), whose sum is σ = 2644040016. Its totient is φ = 440673332.

The previous prime is 1322019983. The next prime is 1322020003. The reversal of 1322020002 is 2000202231.

It is a sphenic number, since it is the product of 3 distinct primes.

1322020002 is an admirable number.

It is a super-3 number, since 3×1322020002³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322020002.

It is not an unprimeable number, because it can be changed into a prime (1322020003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110168328 + ... + 110168339.

It is an arithmetic number, because the mean of its divisors is an integer number (330505002).

Almost surely, 2^1322020002 is an apocalyptic number.

1322020002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1322020002 is a wasteful number, since it uses less digits than its factorization.

1322020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220336672.

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

The square root of 1322020002 is about 36359.5929845206. The cubic root of 1322020002 is about 1097.5205869223.

Adding to 1322020002 its reverse (2000202231), we get a palindrome (3322222233).

The spelling of 1322020002 in words is "one billion, three hundred twenty-two million, twenty thousand, two".