2000081810 has 16 divisors (see below), whose sum is σ = 3635102016. Its totient is φ = 792265008.

The previous prime is 2000081779. The next prime is 2000081819. The reversal of 2000081810 is 181800002.

It is a super-2 number, since 2×2000081810² = 8000654493385752200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2000081819) 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, 969884 + ... + 971943.

It is an arithmetic number, because the mean of its divisors is an integer number (227193876).

Almost surely, 2^2000081810 is an apocalyptic number.

2000081810 is a deficient number, since it is larger than the sum of its proper divisors (1635020206).

2000081810 is a wasteful number, since it uses less digits than its factorization.

2000081810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941937.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 2000081810 is about 44722.2742042486. The cubic root of 2000081810 is about 1259.9382286842.

Adding to 2000081810 its reverse (181800002), we get a palindrome (2181881812).

The spelling of 2000081810 in words is "two billion, eighty-one thousand, eight hundred ten".