2001620283 has 24 divisors (see below), whose sum is σ = 2895162480. Its totient is φ = 1229529600.

The previous prime is 2001620263. The next prime is 2001620297. The reversal of 2001620283 is 3820261002.

It is not a de Polignac number, because 2001620283 - 2¹⁰ = 2001619259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001620263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301423 + ... + 307991.

It is an arithmetic number, because the mean of its divisors is an integer number (120631770).

Almost surely, 2^2001620283 is an apocalyptic number.

2001620283 is a deficient number, since it is larger than the sum of its proper divisors (893542197).

2001620283 is a wasteful number, since it uses less digits than its factorization.

2001620283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199 (or 7186 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2001620283 is about 44739.4711971431. The cubic root of 2001620283 is about 1260.2611961656.

Adding to 2001620283 its reverse (3820261002), we get a palindrome (5821881285).

The spelling of 2001620283 in words is "two billion, one million, six hundred twenty thousand, two hundred eighty-three".