1002120020288 has 28 divisors (see below), whose sum is σ = 1991347767360. Its totient is φ = 500363102592.

The previous prime is 1002120020287. The next prime is 1002120020329. The reversal of 1002120020288 is 8820200212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002120020287) 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, 10842806 + ... + 10934837.

It is an arithmetic number, because the mean of its divisors is an integer number (71119563120).

Almost surely, 2^{1002120020288} is an apocalyptic number.

It is an amenable number.

1002120020288 is a deficient number, since it is larger than the sum of its proper divisors (989227747072).

1002120020288 is an equidigital number, since it uses as much as digits as its factorization.

1002120020288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21778374 (or 21778364 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 1002120020288 its reverse (8820200212001), we get a palindrome (9822320232289).

The spelling of 1002120020288 in words is "one trillion, two billion, one hundred twenty million, twenty thousand, two hundred eighty-eight".