2000239651 has 4 divisors (see below), whose sum is σ = 2000349472. Its totient is φ = 2000129832.

The previous prime is 2000239621. The next prime is 2000239673. The reversal of 2000239651 is 1569320002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2000239651 - 2⁷ = 2000239523 is a prime.

It is a super-2 number, since 2×2000239651² = 8001917322865203602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000239621) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20331 + ... + 66436.

It is an arithmetic number, because the mean of its divisors is an integer number (500087368).

Almost surely, 2^2000239651 is an apocalyptic number.

2000239651 is a deficient number, since it is larger than the sum of its proper divisors (109821).

2000239651 is an equidigital number, since it uses as much as digits as its factorization.

2000239651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109820.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2000239651 is about 44724.0388493705. The cubic root of 2000239651 is about 1259.9713714416.

Adding to 2000239651 its reverse (1569320002), we get a palindrome (3569559653).

The spelling of 2000239651 in words is "two billion, two hundred thirty-nine thousand, six hundred fifty-one".