389001220002 has 24 divisors (see below), whose sum is σ = 892414564236. Its totient is φ = 122039598336.

The previous prime is 389001219979. The next prime is 389001220009. The reversal of 389001220002 is 200022100983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 385220076921 + 3781143081 = 620661^2 + 61491^2 .

It is not an unprimeable number, because it can be changed into a prime (389001220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635622603 + ... + 635623214.

Almost surely, 2^389001220002 is an apocalyptic number.

389001220002 is an abundant number, since it is smaller than the sum of its proper divisors (503413344234).

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

389001220002 is a wasteful number, since it uses less digits than its factorization.

389001220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271245842 (or 1271245839 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 389001220002 its reverse (200022100983), we get a palindrome (589023320985).

The spelling of 389001220002 in words is "three hundred eighty-nine billion, one million, two hundred twenty thousand, two".