1001333020000 has 60 divisors (see below), whose sum is σ = 2463429478356. Its totient is φ = 400533200000.

The previous prime is 1001333019971. The next prime is 1001333020019. The reversal of 1001333020000 is 203331001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25013326 + ... + 25053325.

Almost surely, 2^{1001333020000} is an apocalyptic number.

1001333020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001333020000 is an abundant number, since it is smaller than the sum of its proper divisors (1462096458356).

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

1001333020000 is an frugal number, since it uses more digits than its factorization.

1001333020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50066681 (or 50066658 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 1001333020000 its reverse (203331001), we get a palindrome (1001536351001).

The spelling of 1001333020000 in words is "one trillion, one billion, three hundred thirty-three million, twenty thousand".