2001801324 has 24 divisors (see below), whose sum is σ = 4750038720. Its totient is φ = 655957264.

The previous prime is 2001801301. The next prime is 2001801359. The reversal of 2001801324 is 4231081002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001801324.

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, 1412994 + ... + 1414409.

It is an arithmetic number, because the mean of its divisors is an integer number (197918280).

Almost surely, 2^2001801324 is an apocalyptic number.

It is an amenable number.

2001801324 is an abundant number, since it is smaller than the sum of its proper divisors (2748237396).

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

2001801324 is a wasteful number, since it uses less digits than its factorization.

2001801324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827469 (or 2827467 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2001801324 is about 44741.4944319029. The cubic root of 2001801324 is about 1260.2991907294.

Adding to 2001801324 its reverse (4231081002), we get a palindrome (6232882326).

The spelling of 2001801324 in words is "two billion, one million, eight hundred one thousand, three hundred twenty-four".