2001030566 has 16 divisors (see below), whose sum is σ = 3142465200. Its totient is φ = 954373728.

The previous prime is 2001030553. The next prime is 2001030583. The reversal of 2001030566 is 6650301002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203021 + ... + 212648.

It is an arithmetic number, because the mean of its divisors is an integer number (196404075).

Almost surely, 2^2001030566 is an apocalyptic number.

2001030566 is a deficient number, since it is larger than the sum of its proper divisors (1141434634).

2001030566 is a wasteful number, since it uses less digits than its factorization.

2001030566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415783.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2001030566 is about 44732.8801442518. The cubic root of 2001030566 is about 1260.1374180350.

Adding to 2001030566 its reverse (6650301002), we get a palindrome (8651331568).

The spelling of 2001030566 in words is "two billion, one million, thirty thousand, five hundred sixty-six".