2001305135320 has 32 divisors (see below), whose sum is σ = 4564620623520. Its totient is φ = 789555997440.

The previous prime is 2001305135299. The next prime is 2001305135353. The reversal of 2001305135320 is 235315031002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342686316 + ... + 342692155.

It is an arithmetic number, because the mean of its divisors is an integer number (142644394485).

Almost surely, 2^{2001305135320} is an apocalyptic number.

2001305135320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001305135320 is an abundant number, since it is smaller than the sum of its proper divisors (2563315488200).

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

2001305135320 is a wasteful number, since it uses less digits than its factorization.

2001305135320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685378555 (or 685378551 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 2001305135320 in words is "two trillion, one billion, three hundred five million, one hundred thirty-five thousand, three hundred twenty".