2001322010 has 32 divisors (see below), whose sum is σ = 3698058240. Its totient is φ = 779545728.

The previous prime is 2001321983. The next prime is 2001322013. The reversal of 2001322010 is 102231002.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2001321982 and 2001322000.

It is not an unprimeable number, because it can be changed into a prime (2001322013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40319 + ... + 75021.

It is an arithmetic number, because the mean of its divisors is an integer number (115564320).

Almost surely, 2^2001322010 is an apocalyptic number.

2001322010 is a deficient number, since it is larger than the sum of its proper divisors (1696736230).

2001322010 is a wasteful number, since it uses less digits than its factorization.

2001322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34862.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2001322010 is about 44736.1376294378. The cubic root of 2001322010 is about 1260.1985934558.

Adding to 2001322010 its reverse (102231002), we get a palindrome (2103553012).

The spelling of 2001322010 in words is "two billion, one million, three hundred twenty-two thousand, ten".