2001133113020 has 12 divisors (see below), whose sum is σ = 4202379537384. Its totient is φ = 800453245200.

The previous prime is 2001133112969. The next prime is 2001133113073. The reversal of 2001133113020 is 203113311002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001133113020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50028327806 + ... + 50028327845.

It is an arithmetic number, because the mean of its divisors is an integer number (350198294782).

Almost surely, 2^{2001133113020} is an apocalyptic number.

2001133113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001133113020 is an abundant number, since it is smaller than the sum of its proper divisors (2201246424364).

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

2001133113020 is a wasteful number, since it uses less digits than its factorization.

2001133113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100056655660 (or 100056655658 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2001133113020 its reverse (203113311002), we get a palindrome (2204246424022).

It can be divided in two parts, 200113 and 3113020, that added together give a palindrome (3313133).

The spelling of 2001133113020 in words is "two trillion, one billion, one hundred thirty-three million, one hundred thirteen thousand, twenty".