1001330020000 has 120 divisors (see below), whose sum is σ = 2593076824800. Its totient is φ = 379451232000.

The previous prime is 1001330019979. The next prime is 1001330020001. The reversal of 1001330020000 is 200331001.

1001330020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1001330020001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 937540 + ... + 1697539.

It is an arithmetic number, because the mean of its divisors is an integer number (21608973540).

Almost surely, 2^{1001330020000} is an apocalyptic number.

1001330020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001330020000 is an abundant number, since it is smaller than the sum of its proper divisors (1591746804800).

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

1001330020000 is an equidigital number, since it uses as much as digits as its factorization.

1001330020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635128 (or 2635105 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 1001330020000 its reverse (200331001), we get a palindrome (1001530351001).

The spelling of 1001330020000 in words is "one trillion, one billion, three hundred thirty million, twenty thousand".