2001810764 has 24 divisors (see below), whose sum is σ = 3567278400. Its totient is φ = 982633680.

The previous prime is 2001810763. The next prime is 2001810781. The reversal of 2001810764 is 4670181002.

It is not an unprimeable number, because it can be changed into a prime (2001810763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186167 + ... + 196625.

It is an arithmetic number, because the mean of its divisors is an integer number (148636600).

Almost surely, 2^2001810764 is an apocalyptic number.

It is an amenable number.

2001810764 is a deficient number, since it is larger than the sum of its proper divisors (1565467636).

2001810764 is a wasteful number, since it uses less digits than its factorization.

2001810764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333 (or 11331 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2001810764 is about 44741.5999266901. The cubic root of 2001810764 is about 1260.3011718128.

Adding to 2001810764 its reverse (4670181002), we get a palindrome (6671991766).

The spelling of 2001810764 in words is "two billion, one million, eight hundred ten thousand, seven hundred sixty-four".